Home / 90,198,398.88-124,474,121.28-48,945,290.40

Finding the Fourth Proportional to 90,198,398.88, 124,474,121.28 and 48,945,290.40

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Solution

The fourth proportional to 90,198,398.88, 124,474,121.28 and 48,945,290.40 is: 67,544,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,198,398.88 : 124,474,121.28 = 48,945,290.40 : x
  2. Step 2: Convert to fraction form
    90,198,398.88/124,474,121.28 = 48,945,290.40/x
  3. Step 3: Cross multiply
    90,198,398.88x = 124,474,121.28 × 48,945,290.40
  4. Step 4: Simplify right side
    90,198,398.88x = 6,092,422,013,334,420
  5. Step 5: Solve for x
    x = 6,092,422,013,334,420/90,198,398.88
  6. Step 6: Final answer
    x = 67,544,680.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.