Home / 125,219,510.40-187,741,257.96-55,156,494.12

Finding the Fourth Proportional to 125,219,510.40, 187,741,257.96 and 55,156,494.12

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Solution

The fourth proportional to 125,219,510.40, 187,741,257.96 and 55,156,494.12 is: 82,695,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,219,510.40 : 187,741,257.96 = 55,156,494.12 : x
  2. Step 2: Convert to fraction form
    125,219,510.40/187,741,257.96 = 55,156,494.12/x
  3. Step 3: Cross multiply
    125,219,510.40x = 187,741,257.96 × 55,156,494.12
  4. Step 4: Simplify right side
    125,219,510.40x = 10,355,149,590,752,144
  5. Step 5: Solve for x
    x = 10,355,149,590,752,144/125,219,510.40
  6. Step 6: Final answer
    x = 82,695,975.71

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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.