Home / 145,451,827.24-200,727,760.57-79,376,581.53

Finding the Fourth Proportional to 145,451,827.24, 200,727,760.57 and 79,376,581.53

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Solution

The fourth proportional to 145,451,827.24, 200,727,760.57 and 79,376,581.53 is: 109,541,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451,827.24 : 200,727,760.57 = 79,376,581.53 : x
  2. Step 2: Convert to fraction form
    145,451,827.24/200,727,760.57 = 79,376,581.53/x
  3. Step 3: Cross multiply
    145,451,827.24x = 200,727,760.57 × 79,376,581.53
  4. Step 4: Simplify right side
    145,451,827.24x = 15,933,083,452,020,482
  5. Step 5: Solve for x
    x = 15,933,083,452,020,482/145,451,827.24
  6. Step 6: Final answer
    x = 109,541,995.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.