Home / 72,399,686.40-108,505,051.20-29,233,555.20

Finding the Fourth Proportional to 72,399,686.40, 108,505,051.20 and 29,233,555.20

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Solution

The fourth proportional to 72,399,686.40, 108,505,051.20 and 29,233,555.20 is: 43,812,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,399,686.40 : 108,505,051.20 = 29,233,555.20 : x
  2. Step 2: Convert to fraction form
    72,399,686.40/108,505,051.20 = 29,233,555.20/x
  3. Step 3: Cross multiply
    72,399,686.40x = 108,505,051.20 × 29,233,555.20
  4. Step 4: Simplify right side
    72,399,686.40x = 3,171,988,403,734,026
  5. Step 5: Solve for x
    x = 3,171,988,403,734,026/72,399,686.40
  6. Step 6: Final answer
    x = 43,812,184.30

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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.