Home / 138,475,358.80-207,713,038.20-132,098,066.80

Finding the Fourth Proportional to 138,475,358.80, 207,713,038.20 and 132,098,066.80

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Solution

The fourth proportional to 138,475,358.80, 207,713,038.20 and 132,098,066.80 is: 198,147,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,475,358.80 : 207,713,038.20 = 132,098,066.80 : x
  2. Step 2: Convert to fraction form
    138,475,358.80/207,713,038.20 = 132,098,066.80/x
  3. Step 3: Cross multiply
    138,475,358.80x = 207,713,038.20 × 132,098,066.80
  4. Step 4: Simplify right side
    138,475,358.80x = 27,438,490,795,374,548
  5. Step 5: Solve for x
    x = 27,438,490,795,374,548/138,475,358.80
  6. Step 6: Final answer
    x = 198,147,100.20

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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.