Home / 124,725,278.34-187,078,923.27-38,454,679.62

Finding the Fourth Proportional to 124,725,278.34, 187,078,923.27 and 38,454,679.62

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Solution

The fourth proportional to 124,725,278.34, 187,078,923.27 and 38,454,679.62 is: 57,679,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,725,278.34 : 187,078,923.27 = 38,454,679.62 : x
  2. Step 2: Convert to fraction form
    124,725,278.34/187,078,923.27 = 38,454,679.62/x
  3. Step 3: Cross multiply
    124,725,278.34x = 187,078,923.27 × 38,454,679.62
  4. Step 4: Simplify right side
    124,725,278.34x = 7,194,060,058,002,413
  5. Step 5: Solve for x
    x = 7,194,060,058,002,413/124,725,278.34
  6. Step 6: Final answer
    x = 57,679,246.37

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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.