Home / 57,221,996.70-85,832,995.05-50,986,422.30

Finding the Fourth Proportional to 57,221,996.70, 85,832,995.05 and 50,986,422.30

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Solution

The fourth proportional to 57,221,996.70, 85,832,995.05 and 50,986,422.30 is: 76,479,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,221,996.70 : 85,832,995.05 = 50,986,422.30 : x
  2. Step 2: Convert to fraction form
    57,221,996.70/85,832,995.05 = 50,986,422.30/x
  3. Step 3: Cross multiply
    57,221,996.70x = 85,832,995.05 × 50,986,422.30
  4. Step 4: Simplify right side
    57,221,996.70x = 4,376,317,332,893,109
  5. Step 5: Solve for x
    x = 4,376,317,332,893,109/57,221,996.70
  6. Step 6: Final answer
    x = 76,479,633.45

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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.