Home / 177,620,800.20-266,053,286.70-147,387,712.20

Finding the Fourth Proportional to 177,620,800.20, 266,053,286.70 and 147,387,712.20

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Solution

The fourth proportional to 177,620,800.20, 266,053,286.70 and 147,387,712.20 is: 220,767,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,620,800.20 : 266,053,286.70 = 147,387,712.20 : x
  2. Step 2: Convert to fraction form
    177,620,800.20/266,053,286.70 = 147,387,712.20/x
  3. Step 3: Cross multiply
    177,620,800.20x = 266,053,286.70 × 147,387,712.20
  4. Step 4: Simplify right side
    177,620,800.20x = 39,212,985,250,003,680
  5. Step 5: Solve for x
    x = 39,212,985,250,003,680/177,620,800.20
  6. Step 6: Final answer
    x = 220,767,979.91

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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.