Home / 356,699,836.32-534,921,387.96-123,467,177.58

Finding the Fourth Proportional to 356,699,836.32, 534,921,387.96 and 123,467,177.58

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Solution

The fourth proportional to 356,699,836.32, 534,921,387.96 and 123,467,177.58 is: 185,156,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,699,836.32 : 534,921,387.96 = 123,467,177.58 : x
  2. Step 2: Convert to fraction form
    356,699,836.32/534,921,387.96 = 123,467,177.58/x
  3. Step 3: Cross multiply
    356,699,836.32x = 534,921,387.96 × 123,467,177.58
  4. Step 4: Simplify right side
    356,699,836.32x = 66,045,233,998,597,392
  5. Step 5: Solve for x
    x = 66,045,233,998,597,392/356,699,836.32
  6. Step 6: Final answer
    x = 185,156,333.91

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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.