Home / 112,098,799.20-168,148,198.80-31,319,637.60

Finding the Fourth Proportional to 112,098,799.20, 168,148,198.80 and 31,319,637.60

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Solution

The fourth proportional to 112,098,799.20, 168,148,198.80 and 31,319,637.60 is: 46,979,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098,799.20 : 168,148,198.80 = 31,319,637.60 : x
  2. Step 2: Convert to fraction form
    112,098,799.20/168,148,198.80 = 31,319,637.60/x
  3. Step 3: Cross multiply
    112,098,799.20x = 168,148,198.80 × 31,319,637.60
  4. Step 4: Simplify right side
    112,098,799.20x = 5,266,340,649,508,756
  5. Step 5: Solve for x
    x = 5,266,340,649,508,756/112,098,799.20
  6. Step 6: Final answer
    x = 46,979,456.40

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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.