Home / 99,161,090.40-148,741,635.60-60,361,960.80

Finding the Fourth Proportional to 99,161,090.40, 148,741,635.60 and 60,361,960.80

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Solution

The fourth proportional to 99,161,090.40, 148,741,635.60 and 60,361,960.80 is: 90,542,941.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,161,090.40 : 148,741,635.60 = 60,361,960.80 : x
  2. Step 2: Convert to fraction form
    99,161,090.40/148,741,635.60 = 60,361,960.80/x
  3. Step 3: Cross multiply
    99,161,090.40x = 148,741,635.60 × 60,361,960.80
  4. Step 4: Simplify right side
    99,161,090.40x = 8,978,336,777,415,084
  5. Step 5: Solve for x
    x = 8,978,336,777,415,084/99,161,090.40
  6. Step 6: Final answer
    x = 90,542,941.20

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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.