Home / 187,668,712.64-281,549,956.38-132,444,374.03

Finding the Fourth Proportional to 187,668,712.64, 281,549,956.38 and 132,444,374.03

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Solution

The fourth proportional to 187,668,712.64, 281,549,956.38 and 132,444,374.03 is: 198,699,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,668,712.64 : 281,549,956.38 = 132,444,374.03 : x
  2. Step 2: Convert to fraction form
    187,668,712.64/281,549,956.38 = 132,444,374.03/x
  3. Step 3: Cross multiply
    187,668,712.64x = 281,549,956.38 × 132,444,374.03
  4. Step 4: Simplify right side
    187,668,712.64x = 37,289,707,729,515,160
  5. Step 5: Solve for x
    x = 37,289,707,729,515,160/187,668,712.64
  6. Step 6: Final answer
    x = 198,699,651.13

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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.