Home / 91,539,870,258.93-126,332,097,018.53-54,919,363,764.72

Finding the Fourth Proportional to 91,539,870,258.93, 126,332,097,018.53 and 54,919,363,764.72

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Solution

The fourth proportional to 91,539,870,258.93, 126,332,097,018.53 and 54,919,363,764.72 is: 75,792,967,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,539,870,258.93 : 126,332,097,018.53 = 54,919,363,764.72 : x
  2. Step 2: Convert to fraction form
    91,539,870,258.93/126,332,097,018.53 = 54,919,363,764.72/x
  3. Step 3: Cross multiply
    91,539,870,258.93x = 126,332,097,018.53 × 54,919,363,764.72
  4. Step 4: Simplify right side
    91,539,870,258.93x = 6,938,078,391,320,296,030,208
  5. Step 5: Solve for x
    x = 6,938,078,391,320,296,030,208/91,539,870,258.93
  6. Step 6: Final answer
    x = 75,792,967,279.67

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Double scale
Find fourth proportional to 91,539,870,259.93, 126,332,097,019.91 and 54,919,363,765.72
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.