Home / 132,343,612.80-198,515,419.20-98,331,388.80

Finding the Fourth Proportional to 132,343,612.80, 198,515,419.20 and 98,331,388.80

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Solution

The fourth proportional to 132,343,612.80, 198,515,419.20 and 98,331,388.80 is: 147,497,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343,612.80 : 198,515,419.20 = 98,331,388.80 : x
  2. Step 2: Convert to fraction form
    132,343,612.80/198,515,419.20 = 98,331,388.80/x
  3. Step 3: Cross multiply
    132,343,612.80x = 198,515,419.20 × 98,331,388.80
  4. Step 4: Simplify right side
    132,343,612.80x = 19,520,296,868,150,184
  5. Step 5: Solve for x
    x = 19,520,296,868,150,184/132,343,612.80
  6. Step 6: Final answer
    x = 147,497,083.20

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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.