Home / 87,004,523.72-120,032,260.86-49,814,928.42

Finding the Fourth Proportional to 87,004,523.72, 120,032,260.86 and 49,814,928.42

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Solution

The fourth proportional to 87,004,523.72, 120,032,260.86 and 49,814,928.42 is: 68,725,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,004,523.72 : 120,032,260.86 = 49,814,928.42 : x
  2. Step 2: Convert to fraction form
    87,004,523.72/120,032,260.86 = 49,814,928.42/x
  3. Step 3: Cross multiply
    87,004,523.72x = 120,032,260.86 × 49,814,928.42
  4. Step 4: Simplify right side
    87,004,523.72x = 5,979,398,482,568,352
  5. Step 5: Solve for x
    x = 5,979,398,482,568,352/87,004,523.72
  6. Step 6: Final answer
    x = 68,725,144.70

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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.