Home / 132,172,881.20-198,259,321.80-101,939,793.20

Finding the Fourth Proportional to 132,172,881.20, 198,259,321.80 and 101,939,793.20

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Solution

The fourth proportional to 132,172,881.20, 198,259,321.80 and 101,939,793.20 is: 152,909,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,172,881.20 : 198,259,321.80 = 101,939,793.20 : x
  2. Step 2: Convert to fraction form
    132,172,881.20/198,259,321.80 = 101,939,793.20/x
  3. Step 3: Cross multiply
    132,172,881.20x = 198,259,321.80 × 101,939,793.20
  4. Step 4: Simplify right side
    132,172,881.20x = 20,210,514,264,264,252
  5. Step 5: Solve for x
    x = 20,210,514,264,264,252/132,172,881.20
  6. Step 6: Final answer
    x = 152,909,689.80

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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.