Home / 204,343,706.27-306,634,521.15-86,161,053.88

Finding the Fourth Proportional to 204,343,706.27, 306,634,521.15 and 86,161,053.88

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Solution

The fourth proportional to 204,343,706.27, 306,634,521.15 and 86,161,053.88 is: 129,291,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,343,706.27 : 306,634,521.15 = 86,161,053.88 : x
  2. Step 2: Convert to fraction form
    204,343,706.27/306,634,521.15 = 86,161,053.88/x
  3. Step 3: Cross multiply
    204,343,706.27x = 306,634,521.15 × 86,161,053.88
  4. Step 4: Simplify right side
    204,343,706.27x = 26,419,953,498,273,148
  5. Step 5: Solve for x
    x = 26,419,953,498,273,148/204,343,706.27
  6. Step 6: Final answer
    x = 129,291,740.77

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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.