Home / 99,854,565.66-137,799,487.30-55,801,564.54

Finding the Fourth Proportional to 99,854,565.66, 137,799,487.30 and 55,801,564.54

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Solution

The fourth proportional to 99,854,565.66, 137,799,487.30 and 55,801,564.54 is: 77,006,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,565.66 : 137,799,487.30 = 55,801,564.54 : x
  2. Step 2: Convert to fraction form
    99,854,565.66/137,799,487.30 = 55,801,564.54/x
  3. Step 3: Cross multiply
    99,854,565.66x = 137,799,487.30 × 55,801,564.54
  4. Step 4: Simplify right side
    99,854,565.66x = 7,689,426,984,149,861
  5. Step 5: Solve for x
    x = 7,689,426,984,149,861/99,854,565.66
  6. Step 6: Final answer
    x = 77,006,263.40

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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.