Home / 72,215,026.20-108,336,536.10-36,313,234.20

Finding the Fourth Proportional to 72,215,026.20, 108,336,536.10 and 36,313,234.20

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Solution

The fourth proportional to 72,215,026.20, 108,336,536.10 and 36,313,234.20 is: 54,476,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,026.20 : 108,336,536.10 = 36,313,234.20 : x
  2. Step 2: Convert to fraction form
    72,215,026.20/108,336,536.10 = 36,313,234.20/x
  3. Step 3: Cross multiply
    72,215,026.20x = 108,336,536.10 × 36,313,234.20
  4. Step 4: Simplify right side
    72,215,026.20x = 3,934,050,007,816,054.50
  5. Step 5: Solve for x
    x = 3,934,050,007,816,054.50/72,215,026.20
  6. Step 6: Final answer
    x = 54,476,889.57

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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.