Home / 90,261,352.38-124,561,164.03-49,008,245.94

Finding the Fourth Proportional to 90,261,352.38, 124,561,164.03 and 49,008,245.94

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Solution

The fourth proportional to 90,261,352.38, 124,561,164.03 and 49,008,245.94 is: 67,631,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,261,352.38 : 124,561,164.03 = 49,008,245.94 : x
  2. Step 2: Convert to fraction form
    90,261,352.38/124,561,164.03 = 49,008,245.94/x
  3. Step 3: Cross multiply
    90,261,352.38x = 124,561,164.03 × 49,008,245.94
  4. Step 4: Simplify right side
    90,261,352.38x = 6,104,524,161,354,921
  5. Step 5: Solve for x
    x = 6,104,524,161,354,921/90,261,352.38
  6. Step 6: Final answer
    x = 67,631,649.65

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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.