Home / 90,219,078.78-124,503,523.11-48,966,465.66

Finding the Fourth Proportional to 90,219,078.78, 124,503,523.11 and 48,966,465.66

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Solution

The fourth proportional to 90,219,078.78, 124,503,523.11 and 48,966,465.66 is: 67,574,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219,078.78 : 124,503,523.11 = 48,966,465.66 : x
  2. Step 2: Convert to fraction form
    90,219,078.78/124,503,523.11 = 48,966,465.66/x
  3. Step 3: Cross multiply
    90,219,078.78x = 124,503,523.11 × 48,966,465.66
  4. Step 4: Simplify right side
    90,219,078.78x = 6,096,497,488,914,831
  5. Step 5: Solve for x
    x = 6,096,497,488,914,831/90,219,078.78
  6. Step 6: Final answer
    x = 67,574,370.87

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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.