Home / 72,612,141.20-108,918,211.80-27,168,030.80

Finding the Fourth Proportional to 72,612,141.20, 108,918,211.80 and 27,168,030.80

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Solution

The fourth proportional to 72,612,141.20, 108,918,211.80 and 27,168,030.80 is: 40,752,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,612,141.20 : 108,918,211.80 = 27,168,030.80 : x
  2. Step 2: Convert to fraction form
    72,612,141.20/108,918,211.80 = 27,168,030.80/x
  3. Step 3: Cross multiply
    72,612,141.20x = 108,918,211.80 × 27,168,030.80
  4. Step 4: Simplify right side
    72,612,141.20x = 2,959,093,332,863,323.50
  5. Step 5: Solve for x
    x = 2,959,093,332,863,323.50/72,612,141.20
  6. Step 6: Final answer
    x = 40,752,046.20

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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.