Home / 99,854,414.60-149,781,621.90-42,336,897.80

Finding the Fourth Proportional to 99,854,414.60, 149,781,621.90 and 42,336,897.80

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Solution

The fourth proportional to 99,854,414.60, 149,781,621.90 and 42,336,897.80 is: 63,505,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,414.60 : 149,781,621.90 = 42,336,897.80 : x
  2. Step 2: Convert to fraction form
    99,854,414.60/149,781,621.90 = 42,336,897.80/x
  3. Step 3: Cross multiply
    99,854,414.60x = 149,781,621.90 × 42,336,897.80
  4. Step 4: Simplify right side
    99,854,414.60x = 6,341,289,218,698,542
  5. Step 5: Solve for x
    x = 6,341,289,218,698,542/99,854,414.60
  6. Step 6: Final answer
    x = 63,505,346.70

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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.