Home / 89,894,974.86-124,138,895.22-66,165,469.20

Finding the Fourth Proportional to 89,894,974.86, 124,138,895.22 and 66,165,469.20

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Solution

The fourth proportional to 89,894,974.86, 124,138,895.22 and 66,165,469.20 is: 91,370,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,894,974.86 : 124,138,895.22 = 66,165,469.20 : x
  2. Step 2: Convert to fraction form
    89,894,974.86/124,138,895.22 = 66,165,469.20/x
  3. Step 3: Cross multiply
    89,894,974.86x = 124,138,895.22 × 66,165,469.20
  4. Step 4: Simplify right side
    89,894,974.86x = 8,213,708,248,200,938
  5. Step 5: Solve for x
    x = 8,213,708,248,200,938/89,894,974.86
  6. Step 6: Final answer
    x = 91,370,048.89

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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.