Home / 74,704,553.73-112,048,414.26-20,121,134.34

Finding the Fourth Proportional to 74,704,553.73, 112,048,414.26 and 20,121,134.34

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Solution

The fourth proportional to 74,704,553.73, 112,048,414.26 and 20,121,134.34 is: 30,179,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704,553.73 : 112,048,414.26 = 20,121,134.34 : x
  2. Step 2: Convert to fraction form
    74,704,553.73/112,048,414.26 = 20,121,134.34/x
  3. Step 3: Cross multiply
    74,704,553.73x = 112,048,414.26 × 20,121,134.34
  4. Step 4: Simplify right side
    74,704,553.73x = 2,254,541,195,909,432
  5. Step 5: Solve for x
    x = 2,254,541,195,909,432/74,704,553.73
  6. Step 6: Final answer
    x = 30,179,434.63

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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.