Home / 204,343,705.27-306,634,519.65-86,161,052.88

Finding the Fourth Proportional to 204,343,705.27, 306,634,519.65 and 86,161,052.88

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Solution

The fourth proportional to 204,343,705.27, 306,634,519.65 and 86,161,052.88 is: 129,291,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,343,705.27 : 306,634,519.65 = 86,161,052.88 : x
  2. Step 2: Convert to fraction form
    204,343,705.27/306,634,519.65 = 86,161,052.88/x
  3. Step 3: Cross multiply
    204,343,705.27x = 306,634,519.65 × 86,161,052.88
  4. Step 4: Simplify right side
    204,343,705.27x = 26,419,953,061,857,284
  5. Step 5: Solve for x
    x = 26,419,953,061,857,284/204,343,705.27
  6. Step 6: Final answer
    x = 129,291,739.26

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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.