Home / 311,071,540.88-429,291,769.08-178,912,574.24

Finding the Fourth Proportional to 311,071,540.88, 429,291,769.08 and 178,912,574.24

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Solution

The fourth proportional to 311,071,540.88, 429,291,769.08 and 178,912,574.24 is: 246,906,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,071,540.88 : 429,291,769.08 = 178,912,574.24 : x
  2. Step 2: Convert to fraction form
    311,071,540.88/429,291,769.08 = 178,912,574.24/x
  3. Step 3: Cross multiply
    311,071,540.88x = 429,291,769.08 × 178,912,574.24
  4. Step 4: Simplify right side
    311,071,540.88x = 76,805,695,506,146,432
  5. Step 5: Solve for x
    x = 76,805,695,506,146,432/311,071,540.88
  6. Step 6: Final answer
    x = 246,906,853.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.