Home / 145,451,830.39-200,727,764.85-79,376,584.65

Finding the Fourth Proportional to 145,451,830.39, 200,727,764.85 and 79,376,584.65

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Solution

The fourth proportional to 145,451,830.39, 200,727,764.85 and 79,376,584.65 is: 109,542,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451,830.39 : 200,727,764.85 = 79,376,584.65 : x
  2. Step 2: Convert to fraction form
    145,451,830.39/200,727,764.85 = 79,376,584.65/x
  3. Step 3: Cross multiply
    145,451,830.39x = 200,727,764.85 × 79,376,584.65
  4. Step 4: Simplify right side
    145,451,830.39x = 15,933,084,418,221,320
  5. Step 5: Solve for x
    x = 15,933,084,418,221,320/145,451,830.39
  6. Step 6: Final answer
    x = 109,542,000.09

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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.