Home / 29,123,089.60-43,684,634.40-20,053,163.20

Finding the Fourth Proportional to 29,123,089.60, 43,684,634.40 and 20,053,163.20

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Solution

The fourth proportional to 29,123,089.60, 43,684,634.40 and 20,053,163.20 is: 30,079,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123,089.60 : 43,684,634.40 = 20,053,163.20 : x
  2. Step 2: Convert to fraction form
    29,123,089.60/43,684,634.40 = 20,053,163.20/x
  3. Step 3: Cross multiply
    29,123,089.60x = 43,684,634.40 × 20,053,163.20
  4. Step 4: Simplify right side
    29,123,089.60x = 876,015,102,955,534
  5. Step 5: Solve for x
    x = 876,015,102,955,534/29,123,089.60
  6. Step 6: Final answer
    x = 30,079,744.80

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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.