Home / 124,858,715.92-187,306,019.24-38,603,848.71

Finding the Fourth Proportional to 124,858,715.92, 187,306,019.24 and 38,603,848.71

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Solution

The fourth proportional to 124,858,715.92, 187,306,019.24 and 38,603,848.71 is: 57,911,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,858,715.92 : 187,306,019.24 = 38,603,848.71 : x
  2. Step 2: Convert to fraction form
    124,858,715.92/187,306,019.24 = 38,603,848.71/x
  3. Step 3: Cross multiply
    124,858,715.92x = 187,306,019.24 × 38,603,848.71
  4. Step 4: Simplify right side
    124,858,715.92x = 7,230,733,229,722,688
  5. Step 5: Solve for x
    x = 7,230,733,229,722,688/124,858,715.92
  6. Step 6: Final answer
    x = 57,911,321.42

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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.