Home / 115,487,279.18-173,229,411.78-28,049,512.88

Finding the Fourth Proportional to 115,487,279.18, 173,229,411.78 and 28,049,512.88

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Solution

The fourth proportional to 115,487,279.18, 173,229,411.78 and 28,049,512.88 is: 42,073,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,487,279.18 : 173,229,411.78 = 28,049,512.88 : x
  2. Step 2: Convert to fraction form
    115,487,279.18/173,229,411.78 = 28,049,512.88/x
  3. Step 3: Cross multiply
    115,487,279.18x = 173,229,411.78 × 28,049,512.88
  4. Step 4: Simplify right side
    115,487,279.18x = 4,859,000,616,917,934
  5. Step 5: Solve for x
    x = 4,859,000,616,917,934/115,487,279.18
  6. Step 6: Final answer
    x = 42,073,903.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.