Home / 138,349,844.95-207,747,083.28-91,735,327.48

Finding the Fourth Proportional to 138,349,844.95, 207,747,083.28 and 91,735,327.48

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Solution

The fourth proportional to 138,349,844.95, 207,747,083.28 and 91,735,327.48 is: 137,750,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,349,844.95 : 207,747,083.28 = 91,735,327.48 : x
  2. Step 2: Convert to fraction form
    138,349,844.95/207,747,083.28 = 91,735,327.48/x
  3. Step 3: Cross multiply
    138,349,844.95x = 207,747,083.28 × 91,735,327.48
  4. Step 4: Simplify right side
    138,349,844.95x = 19,057,746,717,705,632
  5. Step 5: Solve for x
    x = 19,057,746,717,705,632/138,349,844.95
  6. Step 6: Final answer
    x = 137,750,401.71

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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.