Home / 81,717,379.31-112,770,744.14-45,049,262.51

Finding the Fourth Proportional to 81,717,379.31, 112,770,744.14 and 45,049,262.51

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Solution

The fourth proportional to 81,717,379.31, 112,770,744.14 and 45,049,262.51 is: 62,168,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,717,379.31 : 112,770,744.14 = 45,049,262.51 : x
  2. Step 2: Convert to fraction form
    81,717,379.31/112,770,744.14 = 45,049,262.51/x
  3. Step 3: Cross multiply
    81,717,379.31x = 112,770,744.14 × 45,049,262.51
  4. Step 4: Simplify right side
    81,717,379.31x = 5,080,238,856,210,904
  5. Step 5: Solve for x
    x = 5,080,238,856,210,904/81,717,379.31
  6. Step 6: Final answer
    x = 62,168,401.62

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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.