Home / 112,366,718.82-168,550,079.31-31,587,686.82

Finding the Fourth Proportional to 112,366,718.82, 168,550,079.31 and 31,587,686.82

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Solution

The fourth proportional to 112,366,718.82, 168,550,079.31 and 31,587,686.82 is: 47,381,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,366,718.82 : 168,550,079.31 = 31,587,686.82 : x
  2. Step 2: Convert to fraction form
    112,366,718.82/168,550,079.31 = 31,587,686.82/x
  3. Step 3: Cross multiply
    112,366,718.82x = 168,550,079.31 × 31,587,686.82
  4. Step 4: Simplify right side
    112,366,718.82x = 5,324,107,118,730,442
  5. Step 5: Solve for x
    x = 5,324,107,118,730,442/112,366,718.82
  6. Step 6: Final answer
    x = 47,381,530.53

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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.