Home / 220,887,079.80-331,330,619.70-75,307,675.20

Finding the Fourth Proportional to 220,887,079.80, 331,330,619.70 and 75,307,675.20

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Solution

The fourth proportional to 220,887,079.80, 331,330,619.70 and 75,307,675.20 is: 112,961,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,887,079.80 : 331,330,619.70 = 75,307,675.20 : x
  2. Step 2: Convert to fraction form
    220,887,079.80/331,330,619.70 = 75,307,675.20/x
  3. Step 3: Cross multiply
    220,887,079.80x = 331,330,619.70 × 75,307,675.20
  4. Step 4: Simplify right side
    220,887,079.80x = 24,951,738,692,182,320
  5. Step 5: Solve for x
    x = 24,951,738,692,182,320/220,887,079.80
  6. Step 6: Final answer
    x = 112,961,512.80

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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.