Home / 137,801,512.20-206,702,268.30-40,748,575.80

Finding the Fourth Proportional to 137,801,512.20, 206,702,268.30 and 40,748,575.80

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Solution

The fourth proportional to 137,801,512.20, 206,702,268.30 and 40,748,575.80 is: 61,122,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,801,512.20 : 206,702,268.30 = 40,748,575.80 : x
  2. Step 2: Convert to fraction form
    137,801,512.20/206,702,268.30 = 40,748,575.80/x
  3. Step 3: Cross multiply
    137,801,512.20x = 206,702,268.30 × 40,748,575.80
  4. Step 4: Simplify right side
    137,801,512.20x = 8,422,823,047,854,487
  5. Step 5: Solve for x
    x = 8,422,823,047,854,487/137,801,512.20
  6. Step 6: Final answer
    x = 61,122,863.70

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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.