Home / 87,949,199.52-121,370,035.50-48,790,975.86

Finding the Fourth Proportional to 87,949,199.52, 121,370,035.50 and 48,790,975.86

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Solution

The fourth proportional to 87,949,199.52, 121,370,035.50 and 48,790,975.86 is: 67,331,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,949,199.52 : 121,370,035.50 = 48,790,975.86 : x
  2. Step 2: Convert to fraction form
    87,949,199.52/121,370,035.50 = 48,790,975.86/x
  3. Step 3: Cross multiply
    87,949,199.52x = 121,370,035.50 × 48,790,975.86
  4. Step 4: Simplify right side
    87,949,199.52x = 5,921,762,472,207,843
  5. Step 5: Solve for x
    x = 5,921,762,472,207,843/87,949,199.52
  6. Step 6: Final answer
    x = 67,331,624.44

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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.