Home / 120,617,765.24-166,452,390.04-65,613,490.52

Finding the Fourth Proportional to 120,617,765.24, 166,452,390.04 and 65,613,490.52

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Solution

The fourth proportional to 120,617,765.24, 166,452,390.04 and 65,613,490.52 is: 90,546,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,617,765.24 : 166,452,390.04 = 65,613,490.52 : x
  2. Step 2: Convert to fraction form
    120,617,765.24/166,452,390.04 = 65,613,490.52/x
  3. Step 3: Cross multiply
    120,617,765.24x = 166,452,390.04 × 65,613,490.52
  4. Step 4: Simplify right side
    120,617,765.24x = 10,921,522,315,920,882
  5. Step 5: Solve for x
    x = 10,921,522,315,920,882/120,617,765.24
  6. Step 6: Final answer
    x = 90,546,548.38

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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.