Home / 72,399,807.90-108,505,233.45-29,233,676.70

Finding the Fourth Proportional to 72,399,807.90, 108,505,233.45 and 29,233,676.70

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Solution

The fourth proportional to 72,399,807.90, 108,505,233.45 and 29,233,676.70 is: 43,812,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,399,807.90 : 108,505,233.45 = 29,233,676.70 : x
  2. Step 2: Convert to fraction form
    72,399,807.90/108,505,233.45 = 29,233,676.70/x
  3. Step 3: Cross multiply
    72,399,807.90x = 108,505,233.45 × 29,233,676.70
  4. Step 4: Simplify right side
    72,399,807.90x = 3,172,006,914,935,325.50
  5. Step 5: Solve for x
    x = 3,172,006,914,935,325.50/72,399,807.90
  6. Step 6: Final answer
    x = 43,812,366.45

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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.