Home / 107,215,979.47-160,891,991.28-45,805,600.85

Finding the Fourth Proportional to 107,215,979.47, 160,891,991.28 and 45,805,600.85

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Solution

The fourth proportional to 107,215,979.47, 160,891,991.28 and 45,805,600.85 is: 68,737,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,215,979.47 : 160,891,991.28 = 45,805,600.85 : x
  2. Step 2: Convert to fraction form
    107,215,979.47/160,891,991.28 = 45,805,600.85/x
  3. Step 3: Cross multiply
    107,215,979.47x = 160,891,991.28 × 45,805,600.85
  4. Step 4: Simplify right side
    107,215,979.47x = 7,369,754,331,728,900
  5. Step 5: Solve for x
    x = 7,369,754,331,728,900/107,215,979.47
  6. Step 6: Final answer
    x = 68,737,462.16

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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.