Home / 47,320,834.20-70,981,251.30-30,314,722.20

Finding the Fourth Proportional to 47,320,834.20, 70,981,251.30 and 30,314,722.20

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Solution

The fourth proportional to 47,320,834.20, 70,981,251.30 and 30,314,722.20 is: 45,472,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320,834.20 : 70,981,251.30 = 30,314,722.20 : x
  2. Step 2: Convert to fraction form
    47,320,834.20/70,981,251.30 = 30,314,722.20/x
  3. Step 3: Cross multiply
    47,320,834.20x = 70,981,251.30 × 30,314,722.20
  4. Step 4: Simplify right side
    47,320,834.20x = 2,151,776,914,567,888.75
  5. Step 5: Solve for x
    x = 2,151,776,914,567,888.75/47,320,834.20
  6. Step 6: Final answer
    x = 45,472,083.30

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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.