Home / 119,797,115.28-179,715,538.80-42,053,857.92

Finding the Fourth Proportional to 119,797,115.28, 179,715,538.80 and 42,053,857.92

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Solution

The fourth proportional to 119,797,115.28, 179,715,538.80 and 42,053,857.92 is: 63,087,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,797,115.28 : 179,715,538.80 = 42,053,857.92 : x
  2. Step 2: Convert to fraction form
    119,797,115.28/179,715,538.80 = 42,053,857.92/x
  3. Step 3: Cross multiply
    119,797,115.28x = 179,715,538.80 × 42,053,857.92
  4. Step 4: Simplify right side
    119,797,115.28x = 7,557,731,734,711,448
  5. Step 5: Solve for x
    x = 7,557,731,734,711,448/119,797,115.28
  6. Step 6: Final answer
    x = 63,087,760.64

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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.