Home / 57,486,997.70-86,230,500.31-45,918,300.44

Finding the Fourth Proportional to 57,486,997.70, 86,230,500.31 and 45,918,300.44

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Solution

The fourth proportional to 57,486,997.70, 86,230,500.31 and 45,918,300.44 is: 68,877,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,486,997.70 : 86,230,500.31 = 45,918,300.44 : x
  2. Step 2: Convert to fraction form
    57,486,997.70/86,230,500.31 = 45,918,300.44/x
  3. Step 3: Cross multiply
    57,486,997.70x = 86,230,500.31 × 45,918,300.44
  4. Step 4: Simplify right side
    57,486,997.70x = 3,959,558,020,326,093
  5. Step 5: Solve for x
    x = 3,959,558,020,326,093/57,486,997.70
  6. Step 6: Final answer
    x = 68,877,453.66

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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.