Home / 138,293,557.05-207,440,335.58-107,682,555.45

Finding the Fourth Proportional to 138,293,557.05, 207,440,335.58 and 107,682,555.45

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Solution

The fourth proportional to 138,293,557.05, 207,440,335.58 and 107,682,555.45 is: 161,523,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,293,557.05 : 207,440,335.58 = 107,682,555.45 : x
  2. Step 2: Convert to fraction form
    138,293,557.05/207,440,335.58 = 107,682,555.45/x
  3. Step 3: Cross multiply
    138,293,557.05x = 207,440,335.58 × 107,682,555.45
  4. Step 4: Simplify right side
    138,293,557.05x = 22,337,705,438,121,544
  5. Step 5: Solve for x
    x = 22,337,705,438,121,544/138,293,557.05
  6. Step 6: Final answer
    x = 161,523,833.18

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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.