Home / 91,859,524.20-137,789,286.30-40,841,188.20

Finding the Fourth Proportional to 91,859,524.20, 137,789,286.30 and 40,841,188.20

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Solution

The fourth proportional to 91,859,524.20, 137,789,286.30 and 40,841,188.20 is: 61,261,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,859,524.20 : 137,789,286.30 = 40,841,188.20 : x
  2. Step 2: Convert to fraction form
    91,859,524.20/137,789,286.30 = 40,841,188.20/x
  3. Step 3: Cross multiply
    91,859,524.20x = 137,789,286.30 × 40,841,188.20
  4. Step 4: Simplify right side
    91,859,524.20x = 5,627,478,173,721,983
  5. Step 5: Solve for x
    x = 5,627,478,173,721,983/91,859,524.20
  6. Step 6: Final answer
    x = 61,261,782.30

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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.