Home / 98,429,250.12-135,836,250.40-56,613,248.60

Finding the Fourth Proportional to 98,429,250.12, 135,836,250.40 and 56,613,248.60

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Solution

The fourth proportional to 98,429,250.12, 135,836,250.40 and 56,613,248.60 is: 78,128,517.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,429,250.12 : 135,836,250.40 = 56,613,248.60 : x
  2. Step 2: Convert to fraction form
    98,429,250.12/135,836,250.40 = 56,613,248.60/x
  3. Step 3: Cross multiply
    98,429,250.12x = 135,836,250.40 × 56,613,248.60
  4. Step 4: Simplify right side
    98,429,250.12x = 7,690,131,412,787,050
  5. Step 5: Solve for x
    x = 7,690,131,412,787,050/98,429,250.12
  6. Step 6: Final answer
    x = 78,128,517.73

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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.