Home / 220,472,301.87-330,756,279.26-67,114,372.50

Finding the Fourth Proportional to 220,472,301.87, 330,756,279.26 and 67,114,372.50

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Solution

The fourth proportional to 220,472,301.87, 330,756,279.26 and 67,114,372.50 is: 100,686,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,472,301.87 : 330,756,279.26 = 67,114,372.50 : x
  2. Step 2: Convert to fraction form
    220,472,301.87/330,756,279.26 = 67,114,372.50/x
  3. Step 3: Cross multiply
    220,472,301.87x = 330,756,279.26 × 67,114,372.50
  4. Step 4: Simplify right side
    220,472,301.87x = 22,198,500,132,634,092
  5. Step 5: Solve for x
    x = 22,198,500,132,634,092/220,472,301.87
  6. Step 6: Final answer
    x = 100,686,117.69

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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.