Home / 81,717,379.32-112,770,744.14-45,049,262.52

Finding the Fourth Proportional to 81,717,379.32, 112,770,744.14 and 45,049,262.52

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Solution

The fourth proportional to 81,717,379.32, 112,770,744.14 and 45,049,262.52 is: 62,168,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,717,379.32 : 112,770,744.14 = 45,049,262.52 : x
  2. Step 2: Convert to fraction form
    81,717,379.32/112,770,744.14 = 45,049,262.52/x
  3. Step 3: Cross multiply
    81,717,379.32x = 112,770,744.14 × 45,049,262.52
  4. Step 4: Simplify right side
    81,717,379.32x = 5,080,238,857,338,612
  5. Step 5: Solve for x
    x = 5,080,238,857,338,612/81,717,379.32
  6. Step 6: Final answer
    x = 62,168,401.63

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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.