Home / 187,668,728.88-281,549,981.12-132,444,391.04

Finding the Fourth Proportional to 187,668,728.88, 281,549,981.12 and 132,444,391.04

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Solution

The fourth proportional to 187,668,728.88, 281,549,981.12 and 132,444,391.04 is: 198,699,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,668,728.88 : 281,549,981.12 = 132,444,391.04 : x
  2. Step 2: Convert to fraction form
    187,668,728.88/281,549,981.12 = 132,444,391.04/x
  3. Step 3: Cross multiply
    187,668,728.88x = 281,549,981.12 × 132,444,391.04
  4. Step 4: Simplify right side
    187,668,728.88x = 37,289,715,796,761,896
  5. Step 5: Solve for x
    x = 37,289,715,796,761,896/187,668,728.88
  6. Step 6: Final answer
    x = 198,699,676.92

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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.