Home / 56,777,253.20-85,053,905.40-33,990,462.80

Finding the Fourth Proportional to 56,777,253.20, 85,053,905.40 and 33,990,462.80

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Solution

The fourth proportional to 56,777,253.20, 85,053,905.40 and 33,990,462.80 is: 50,918,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,777,253.20 : 85,053,905.40 = 33,990,462.80 : x
  2. Step 2: Convert to fraction form
    56,777,253.20/85,053,905.40 = 33,990,462.80/x
  3. Step 3: Cross multiply
    56,777,253.20x = 85,053,905.40 × 33,990,462.80
  4. Step 4: Simplify right side
    56,777,253.20x = 2,891,021,607,493,419
  5. Step 5: Solve for x
    x = 2,891,021,607,493,419/56,777,253.20
  6. Step 6: Final answer
    x = 50,918,659.23

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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.