Home / 90,261,353.88-124,561,166.10-49,008,247.44

Finding the Fourth Proportional to 90,261,353.88, 124,561,166.10 and 49,008,247.44

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Solution

The fourth proportional to 90,261,353.88, 124,561,166.10 and 49,008,247.44 is: 67,631,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,261,353.88 : 124,561,166.10 = 49,008,247.44 : x
  2. Step 2: Convert to fraction form
    90,261,353.88/124,561,166.10 = 49,008,247.44/x
  3. Step 3: Cross multiply
    90,261,353.88x = 124,561,166.10 × 49,008,247.44
  4. Step 4: Simplify right side
    90,261,353.88x = 6,104,524,449,643,739
  5. Step 5: Solve for x
    x = 6,104,524,449,643,739/90,261,353.88
  6. Step 6: Final answer
    x = 67,631,651.72

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Double scale
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1.5x scale

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.