Home / 66,732,005.10-100,098,007.65-52,399,281.90

Finding the Fourth Proportional to 66,732,005.10, 100,098,007.65 and 52,399,281.90

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Solution

The fourth proportional to 66,732,005.10, 100,098,007.65 and 52,399,281.90 is: 78,598,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,732,005.10 : 100,098,007.65 = 52,399,281.90 : x
  2. Step 2: Convert to fraction form
    66,732,005.10/100,098,007.65 = 52,399,281.90/x
  3. Step 3: Cross multiply
    66,732,005.10x = 100,098,007.65 × 52,399,281.90
  4. Step 4: Simplify right side
    66,732,005.10x = 5,245,063,720,480,707
  5. Step 5: Solve for x
    x = 5,245,063,720,480,707/66,732,005.10
  6. Step 6: Final answer
    x = 78,598,922.85

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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.