Home / 84,024,116.90-126,036,175.35-20,198,708.90

Finding the Fourth Proportional to 84,024,116.90, 126,036,175.35 and 20,198,708.90

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Solution

The fourth proportional to 84,024,116.90, 126,036,175.35 and 20,198,708.90 is: 30,298,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,024,116.90 : 126,036,175.35 = 20,198,708.90 : x
  2. Step 2: Convert to fraction form
    84,024,116.90/126,036,175.35 = 20,198,708.90/x
  3. Step 3: Cross multiply
    84,024,116.90x = 126,036,175.35 × 20,198,708.90
  4. Step 4: Simplify right side
    84,024,116.90x = 2,545,768,016,764,005.50
  5. Step 5: Solve for x
    x = 2,545,768,016,764,005.50/84,024,116.90
  6. Step 6: Final answer
    x = 30,298,063.35

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Similar ratio
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1.5x scale

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.