Home / 146,654,711.40-219,982,067.10-66,033,143.40

Finding the Fourth Proportional to 146,654,711.40, 219,982,067.10 and 66,033,143.40

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Solution

The fourth proportional to 146,654,711.40, 219,982,067.10 and 66,033,143.40 is: 99,049,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,654,711.40 : 219,982,067.10 = 66,033,143.40 : x
  2. Step 2: Convert to fraction form
    146,654,711.40/219,982,067.10 = 66,033,143.40/x
  3. Step 3: Cross multiply
    146,654,711.40x = 219,982,067.10 × 66,033,143.40
  4. Step 4: Simplify right side
    146,654,711.40x = 14,526,107,382,242,722
  5. Step 5: Solve for x
    x = 14,526,107,382,242,722/146,654,711.40
  6. Step 6: Final answer
    x = 99,049,715.10

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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.