Home / 71,962,568.16-99,310,691.16-39,367,520.16

Finding the Fourth Proportional to 71,962,568.16, 99,310,691.16 and 39,367,520.16

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Solution

The fourth proportional to 71,962,568.16, 99,310,691.16 and 39,367,520.16 is: 54,328,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,962,568.16 : 99,310,691.16 = 39,367,520.16 : x
  2. Step 2: Convert to fraction form
    71,962,568.16/99,310,691.16 = 39,367,520.16/x
  3. Step 3: Cross multiply
    71,962,568.16x = 99,310,691.16 × 39,367,520.16
  4. Step 4: Simplify right side
    71,962,568.16x = 3,909,615,636,344,833.50
  5. Step 5: Solve for x
    x = 3,909,615,636,344,833.50/71,962,568.16
  6. Step 6: Final answer
    x = 54,328,461.81

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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.