Home / 107,767,856.55-161,753,983.85-66,703,078.32

Finding the Fourth Proportional to 107,767,856.55, 161,753,983.85 and 66,703,078.32

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Solution

The fourth proportional to 107,767,856.55, 161,753,983.85 and 66,703,078.32 is: 100,117,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,767,856.55 : 161,753,983.85 = 66,703,078.32 : x
  2. Step 2: Convert to fraction form
    107,767,856.55/161,753,983.85 = 66,703,078.32/x
  3. Step 3: Cross multiply
    107,767,856.55x = 161,753,983.85 × 66,703,078.32
  4. Step 4: Simplify right side
    107,767,856.55x = 10,789,488,653,318,564
  5. Step 5: Solve for x
    x = 10,789,488,653,318,564/107,767,856.55
  6. Step 6: Final answer
    x = 100,117,873.72

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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.