Home / 215,050,820.80-322,576,231.20-71,443,652.80

Finding the Fourth Proportional to 215,050,820.80, 322,576,231.20 and 71,443,652.80

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Solution

The fourth proportional to 215,050,820.80, 322,576,231.20 and 71,443,652.80 is: 107,165,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,050,820.80 : 322,576,231.20 = 71,443,652.80 : x
  2. Step 2: Convert to fraction form
    215,050,820.80/322,576,231.20 = 71,443,652.80/x
  3. Step 3: Cross multiply
    215,050,820.80x = 322,576,231.20 × 71,443,652.80
  4. Step 4: Simplify right side
    215,050,820.80x = 23,046,024,263,385,324
  5. Step 5: Solve for x
    x = 23,046,024,263,385,324/215,050,820.80
  6. Step 6: Final answer
    x = 107,165,479.20

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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.