Home / 91,868,228.22-126,778,085.64-50,615,120.60

Finding the Fourth Proportional to 91,868,228.22, 126,778,085.64 and 50,615,120.60

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Solution

The fourth proportional to 91,868,228.22, 126,778,085.64 and 50,615,120.60 is: 69,848,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,868,228.22 : 126,778,085.64 = 50,615,120.60 : x
  2. Step 2: Convert to fraction form
    91,868,228.22/126,778,085.64 = 50,615,120.60/x
  3. Step 3: Cross multiply
    91,868,228.22x = 126,778,085.64 × 50,615,120.60
  4. Step 4: Simplify right side
    91,868,228.22x = 6,416,888,094,105,728
  5. Step 5: Solve for x
    x = 6,416,888,094,105,728/91,868,228.22
  6. Step 6: Final answer
    x = 69,848,828.24

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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.