Home / 48,187,286.46-72,414,327.24-47,019,189.78

Finding the Fourth Proportional to 48,187,286.46, 72,414,327.24 and 47,019,189.78

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Solution

The fourth proportional to 48,187,286.46, 72,414,327.24 and 47,019,189.78 is: 70,658,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,187,286.46 : 72,414,327.24 = 47,019,189.78 : x
  2. Step 2: Convert to fraction form
    48,187,286.46/72,414,327.24 = 47,019,189.78/x
  3. Step 3: Cross multiply
    48,187,286.46x = 72,414,327.24 × 47,019,189.78
  4. Step 4: Simplify right side
    48,187,286.46x = 3,404,862,995,288,583.50
  5. Step 5: Solve for x
    x = 3,404,862,995,288,583.50/48,187,286.46
  6. Step 6: Final answer
    x = 70,658,948.56

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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.