Home / 42,667,136.32-63,984,167.52-15,367,601.92

Finding the Fourth Proportional to 42,667,136.32, 63,984,167.52 and 15,367,601.92

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Solution

The fourth proportional to 42,667,136.32, 63,984,167.52 and 15,367,601.92 is: 23,045,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,667,136.32 : 63,984,167.52 = 15,367,601.92 : x
  2. Step 2: Convert to fraction form
    42,667,136.32/63,984,167.52 = 15,367,601.92/x
  3. Step 3: Cross multiply
    42,667,136.32x = 63,984,167.52 × 15,367,601.92
  4. Step 4: Simplify right side
    42,667,136.32x = 983,283,215,629,953.62
  5. Step 5: Solve for x
    x = 983,283,215,629,953.62/42,667,136.32
  6. Step 6: Final answer
    x = 23,045,446.69

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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.