Home / 81,738,272,862.45-122,607,409,293.67-59,698,351,710.45

Finding the Fourth Proportional to 81,738,272,862.45, 122,607,409,293.67 and 59,698,351,710.45

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Solution

The fourth proportional to 81,738,272,862.45, 122,607,409,293.67 and 59,698,351,710.45 is: 89,547,527,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,738,272,862.45 : 122,607,409,293.67 = 59,698,351,710.45 : x
  2. Step 2: Convert to fraction form
    81,738,272,862.45/122,607,409,293.67 = 59,698,351,710.45/x
  3. Step 3: Cross multiply
    81,738,272,862.45x = 122,607,409,293.67 × 59,698,351,710.45
  4. Step 4: Simplify right side
    81,738,272,862.45x = 7,319,460,242,320,607,150,080
  5. Step 5: Solve for x
    x = 7,319,460,242,320,607,150,080/81,738,272,862.45
  6. Step 6: Final answer
    x = 89,547,527,565.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.