Home / 107,767,855.55-161,753,982.35-66,703,077.32

Finding the Fourth Proportional to 107,767,855.55, 161,753,982.35 and 66,703,077.32

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Solution

The fourth proportional to 107,767,855.55, 161,753,982.35 and 66,703,077.32 is: 100,117,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,767,855.55 : 161,753,982.35 = 66,703,077.32 : x
  2. Step 2: Convert to fraction form
    107,767,855.55/161,753,982.35 = 66,703,077.32/x
  3. Step 3: Cross multiply
    107,767,855.55x = 161,753,982.35 × 66,703,077.32
  4. Step 4: Simplify right side
    107,767,855.55x = 10,789,488,390,367,680
  5. Step 5: Solve for x
    x = 10,789,488,390,367,680/107,767,855.55
  6. Step 6: Final answer
    x = 100,117,872.21

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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.