Home / 137,791,647.70-206,687,471.55-91,875,145.30

Finding the Fourth Proportional to 137,791,647.70, 206,687,471.55 and 91,875,145.30

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Solution

The fourth proportional to 137,791,647.70, 206,687,471.55 and 91,875,145.30 is: 137,812,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,791,647.70 : 206,687,471.55 = 91,875,145.30 : x
  2. Step 2: Convert to fraction form
    137,791,647.70/206,687,471.55 = 91,875,145.30/x
  3. Step 3: Cross multiply
    137,791,647.70x = 206,687,471.55 × 91,875,145.30
  4. Step 4: Simplify right side
    137,791,647.70x = 18,989,441,480,345,868
  5. Step 5: Solve for x
    x = 18,989,441,480,345,868/137,791,647.70
  6. Step 6: Final answer
    x = 137,812,717.95

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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.