Home / 124,752,702.78-187,060,557.30-38,467,154.70

Finding the Fourth Proportional to 124,752,702.78, 187,060,557.30 and 38,467,154.70

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Solution

The fourth proportional to 124,752,702.78, 187,060,557.30 and 38,467,154.70 is: 57,679,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,752,702.78 : 187,060,557.30 = 38,467,154.70 : x
  2. Step 2: Convert to fraction form
    124,752,702.78/187,060,557.30 = 38,467,154.70/x
  3. Step 3: Cross multiply
    124,752,702.78x = 187,060,557.30 × 38,467,154.70
  4. Step 4: Simplify right side
    124,752,702.78x = 7,195,687,395,927,315
  5. Step 5: Solve for x
    x = 7,195,687,395,927,315/124,752,702.78
  6. Step 6: Final answer
    x = 57,679,611.23

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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.