Home / 47,669,013.30-71,512,851.15-20,375,253.30

Finding the Fourth Proportional to 47,669,013.30, 71,512,851.15 and 20,375,253.30

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Solution

The fourth proportional to 47,669,013.30, 71,512,851.15 and 20,375,253.30 is: 30,566,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,669,013.30 : 71,512,851.15 = 20,375,253.30 : x
  2. Step 2: Convert to fraction form
    47,669,013.30/71,512,851.15 = 20,375,253.30/x
  3. Step 3: Cross multiply
    47,669,013.30x = 71,512,851.15 × 20,375,253.30
  4. Step 4: Simplify right side
    47,669,013.30x = 1,457,092,456,386,446.50
  5. Step 5: Solve for x
    x = 1,457,092,456,386,446.50/47,669,013.30
  6. Step 6: Final answer
    x = 30,566,868.40

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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.