Home / 252,262,818.76-378,407,737.26-79,726,503.88

Finding the Fourth Proportional to 252,262,818.76, 378,407,737.26 and 79,726,503.88

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Solution

The fourth proportional to 252,262,818.76, 378,407,737.26 and 79,726,503.88 is: 119,594,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,262,818.76 : 378,407,737.26 = 79,726,503.88 : x
  2. Step 2: Convert to fraction form
    252,262,818.76/378,407,737.26 = 79,726,503.88/x
  3. Step 3: Cross multiply
    252,262,818.76x = 378,407,737.26 × 79,726,503.88
  4. Step 4: Simplify right side
    252,262,818.76x = 30,169,125,932,881,408
  5. Step 5: Solve for x
    x = 30,169,125,932,881,408/252,262,818.76
  6. Step 6: Final answer
    x = 119,594,025.32

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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.