Home / 120,617,759.24-166,452,381.78-65,613,484.52

Finding the Fourth Proportional to 120,617,759.24, 166,452,381.78 and 65,613,484.52

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Solution

The fourth proportional to 120,617,759.24, 166,452,381.78 and 65,613,484.52 is: 90,546,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,617,759.24 : 166,452,381.78 = 65,613,484.52 : x
  2. Step 2: Convert to fraction form
    120,617,759.24/166,452,381.78 = 65,613,484.52/x
  3. Step 3: Cross multiply
    120,617,759.24x = 166,452,381.78 × 65,613,484.52
  4. Step 4: Simplify right side
    120,617,759.24x = 10,921,520,775,239,160
  5. Step 5: Solve for x
    x = 10,921,520,775,239,160/120,617,759.24
  6. Step 6: Final answer
    x = 90,546,540.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.