Home / 57,850,380.96-86,780,614.80-18,977,177.76

Finding the Fourth Proportional to 57,850,380.96, 86,780,614.80 and 18,977,177.76

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Solution

The fourth proportional to 57,850,380.96, 86,780,614.80 and 18,977,177.76 is: 28,467,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850,380.96 : 86,780,614.80 = 18,977,177.76 : x
  2. Step 2: Convert to fraction form
    57,850,380.96/86,780,614.80 = 18,977,177.76/x
  3. Step 3: Cross multiply
    57,850,380.96x = 86,780,614.80 × 18,977,177.76
  4. Step 4: Simplify right side
    57,850,380.96x = 1,646,851,153,181,687
  5. Step 5: Solve for x
    x = 1,646,851,153,181,687/57,850,380.96
  6. Step 6: Final answer
    x = 28,467,421.06

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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.