Home / 125,120,810.88-187,680,840.66-31,747,601.52

Finding the Fourth Proportional to 125,120,810.88, 187,680,840.66 and 31,747,601.52

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Solution

The fourth proportional to 125,120,810.88, 187,680,840.66 and 31,747,601.52 is: 47,621,306.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,120,810.88 : 187,680,840.66 = 31,747,601.52 : x
  2. Step 2: Convert to fraction form
    125,120,810.88/187,680,840.66 = 31,747,601.52/x
  3. Step 3: Cross multiply
    125,120,810.88x = 187,680,840.66 × 31,747,601.52
  4. Step 4: Simplify right side
    125,120,810.88x = 5,958,416,542,212,294
  5. Step 5: Solve for x
    x = 5,958,416,542,212,294/125,120,810.88
  6. Step 6: Final answer
    x = 47,621,306.96

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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.