Home / 87,169,616.59-120,299,528.83-48,011,378.86

Finding the Fourth Proportional to 87,169,616.59, 120,299,528.83 and 48,011,378.86

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Solution

The fourth proportional to 87,169,616.59, 120,299,528.83 and 48,011,378.86 is: 66,258,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,169,616.59 : 120,299,528.83 = 48,011,378.86 : x
  2. Step 2: Convert to fraction form
    87,169,616.59/120,299,528.83 = 48,011,378.86/x
  3. Step 3: Cross multiply
    87,169,616.59x = 120,299,528.83 × 48,011,378.86
  4. Step 4: Simplify right side
    87,169,616.59x = 5,775,746,255,336,622
  5. Step 5: Solve for x
    x = 5,775,746,255,336,622/87,169,616.59
  6. Step 6: Final answer
    x = 66,258,708.95

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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.