Home / 124,752,693.78-187,060,543.83-38,467,145.70

Finding the Fourth Proportional to 124,752,693.78, 187,060,543.83 and 38,467,145.70

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Solution

The fourth proportional to 124,752,693.78, 187,060,543.83 and 38,467,145.70 is: 57,679,597.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,752,693.78 : 187,060,543.83 = 38,467,145.70 : x
  2. Step 2: Convert to fraction form
    124,752,693.78/187,060,543.83 = 38,467,145.70/x
  3. Step 3: Cross multiply
    124,752,693.78x = 187,060,543.83 × 38,467,145.70
  4. Step 4: Simplify right side
    124,752,693.78x = 7,195,685,194,229,847
  5. Step 5: Solve for x
    x = 7,195,685,194,229,847/124,752,693.78
  6. Step 6: Final answer
    x = 57,679,597.74

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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.