Home / 78,355,744.15-117,544,966.62-29,167,508.92

Finding the Fourth Proportional to 78,355,744.15, 117,544,966.62 and 29,167,508.92

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Solution

The fourth proportional to 78,355,744.15, 117,544,966.62 and 29,167,508.92 is: 43,755,488.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,355,744.15 : 117,544,966.62 = 29,167,508.92 : x
  2. Step 2: Convert to fraction form
    78,355,744.15/117,544,966.62 = 29,167,508.92/x
  3. Step 3: Cross multiply
    78,355,744.15x = 117,544,966.62 × 29,167,508.92
  4. Step 4: Simplify right side
    78,355,744.15x = 3,428,493,862,389,952.50
  5. Step 5: Solve for x
    x = 3,428,493,862,389,952.50/78,355,744.15
  6. Step 6: Final answer
    x = 43,755,488.50

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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.