Home / 72,399,800.40-108,505,222.20-29,233,669.20

Finding the Fourth Proportional to 72,399,800.40, 108,505,222.20 and 29,233,669.20

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Solution

The fourth proportional to 72,399,800.40, 108,505,222.20 and 29,233,669.20 is: 43,812,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,399,800.40 : 108,505,222.20 = 29,233,669.20 : x
  2. Step 2: Convert to fraction form
    72,399,800.40/108,505,222.20 = 29,233,669.20/x
  3. Step 3: Cross multiply
    72,399,800.40x = 108,505,222.20 × 29,233,669.20
  4. Step 4: Simplify right side
    72,399,800.40x = 3,172,005,772,267,296
  5. Step 5: Solve for x
    x = 3,172,005,772,267,296/72,399,800.40
  6. Step 6: Final answer
    x = 43,812,355.21

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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.