Home / 131,375,393.76-197,073,596.88-45,079,073.76

Finding the Fourth Proportional to 131,375,393.76, 197,073,596.88 and 45,079,073.76

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Solution

The fourth proportional to 131,375,393.76, 197,073,596.88 and 45,079,073.76 is: 67,622,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,375,393.76 : 197,073,596.88 = 45,079,073.76 : x
  2. Step 2: Convert to fraction form
    131,375,393.76/197,073,596.88 = 45,079,073.76/x
  3. Step 3: Cross multiply
    131,375,393.76x = 197,073,596.88 × 45,079,073.76
  4. Step 4: Simplify right side
    131,375,393.76x = 8,883,895,209,902,025
  5. Step 5: Solve for x
    x = 8,883,895,209,902,025/131,375,393.76
  6. Step 6: Final answer
    x = 67,622,215.66

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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.