Home / 157,443,612.40-236,198,596.20-66,520,399.60

Finding the Fourth Proportional to 157,443,612.40, 236,198,596.20 and 66,520,399.60

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Solution

The fourth proportional to 157,443,612.40, 236,198,596.20 and 66,520,399.60 is: 99,794,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,443,612.40 : 236,198,596.20 = 66,520,399.60 : x
  2. Step 2: Convert to fraction form
    157,443,612.40/236,198,596.20 = 66,520,399.60/x
  3. Step 3: Cross multiply
    157,443,612.40x = 236,198,596.20 × 66,520,399.60
  4. Step 4: Simplify right side
    157,443,612.40x = 15,712,025,004,183,042
  5. Step 5: Solve for x
    x = 15,712,025,004,183,042/157,443,612.40
  6. Step 6: Final answer
    x = 99,794,617.04

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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.