Home / 138,420,500.40-207,642,560.40-36,184,374

Finding the Fourth Proportional to 138,420,500.40, 207,642,560.40 and 36,184,374

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Solution

The fourth proportional to 138,420,500.40, 207,642,560.40 and 36,184,374 is: 54,279,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,420,500.40 : 207,642,560.40 = 36,184,374 : x
  2. Step 2: Convert to fraction form
    138,420,500.40/207,642,560.40 = 36,184,374/x
  3. Step 3: Cross multiply
    138,420,500.40x = 207,642,560.40 × 36,184,374
  4. Step 4: Simplify right side
    138,420,500.40x = 7,513,416,063,831,190
  5. Step 5: Solve for x
    x = 7,513,416,063,831,190/138,420,500.40
  6. Step 6: Final answer
    x = 54,279,648.19

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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.