Home / 217,287,432.40-326,074,726.20-102,304,853.20

Finding the Fourth Proportional to 217,287,432.40, 326,074,726.20 and 102,304,853.20

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Solution

The fourth proportional to 217,287,432.40, 326,074,726.20 and 102,304,853.20 is: 153,524,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,287,432.40 : 326,074,726.20 = 102,304,853.20 : x
  2. Step 2: Convert to fraction form
    217,287,432.40/326,074,726.20 = 102,304,853.20/x
  3. Step 3: Cross multiply
    217,287,432.40x = 326,074,726.20 × 102,304,853.20
  4. Step 4: Simplify right side
    217,287,432.40x = 33,359,026,996,121,192
  5. Step 5: Solve for x
    x = 33,359,026,996,121,192/217,287,432.40
  6. Step 6: Final answer
    x = 153,524,880.05

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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.