Home / 279,164,590.20-418,746,885.30-71,902,600.20

Finding the Fourth Proportional to 279,164,590.20, 418,746,885.30 and 71,902,600.20

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Solution

The fourth proportional to 279,164,590.20, 418,746,885.30 and 71,902,600.20 is: 107,853,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,164,590.20 : 418,746,885.30 = 71,902,600.20 : x
  2. Step 2: Convert to fraction form
    279,164,590.20/418,746,885.30 = 71,902,600.20/x
  3. Step 3: Cross multiply
    279,164,590.20x = 418,746,885.30 × 71,902,600.20
  4. Step 4: Simplify right side
    279,164,590.20x = 30,108,989,878,721,160
  5. Step 5: Solve for x
    x = 30,108,989,878,721,160/279,164,590.20
  6. Step 6: Final answer
    x = 107,853,900.30

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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.