Home / 132,343,236.80-198,514,855.20-98,331,012.80

Finding the Fourth Proportional to 132,343,236.80, 198,514,855.20 and 98,331,012.80

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Solution

The fourth proportional to 132,343,236.80, 198,514,855.20 and 98,331,012.80 is: 147,496,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343,236.80 : 198,514,855.20 = 98,331,012.80 : x
  2. Step 2: Convert to fraction form
    132,343,236.80/198,514,855.20 = 98,331,012.80/x
  3. Step 3: Cross multiply
    132,343,236.80x = 198,514,855.20 × 98,331,012.80
  4. Step 4: Simplify right side
    132,343,236.80x = 19,520,166,767,661,344
  5. Step 5: Solve for x
    x = 19,520,166,767,661,344/132,343,236.80
  6. Step 6: Final answer
    x = 147,496,519.20

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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.