Home / 252,745,030.20-379,117,545.30-143,527,999.80

Finding the Fourth Proportional to 252,745,030.20, 379,117,545.30 and 143,527,999.80

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Solution

The fourth proportional to 252,745,030.20, 379,117,545.30 and 143,527,999.80 is: 215,291,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,745,030.20 : 379,117,545.30 = 143,527,999.80 : x
  2. Step 2: Convert to fraction form
    252,745,030.20/379,117,545.30 = 143,527,999.80/x
  3. Step 3: Cross multiply
    252,745,030.20x = 379,117,545.30 × 143,527,999.80
  4. Step 4: Simplify right side
    252,745,030.20x = 54,413,982,965,994,896
  5. Step 5: Solve for x
    x = 54,413,982,965,994,896/252,745,030.20
  6. Step 6: Final answer
    x = 215,291,999.70

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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.