Home / 43,321,757.78-64,982,135.48-10,532,512.70

Finding the Fourth Proportional to 43,321,757.78, 64,982,135.48 and 10,532,512.70

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Solution

The fourth proportional to 43,321,757.78, 64,982,135.48 and 10,532,512.70 is: 15,798,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321,757.78 : 64,982,135.48 = 10,532,512.70 : x
  2. Step 2: Convert to fraction form
    43,321,757.78/64,982,135.48 = 10,532,512.70/x
  3. Step 3: Cross multiply
    43,321,757.78x = 64,982,135.48 × 10,532,512.70
  4. Step 4: Simplify right side
    43,321,757.78x = 684,425,167,216,220.50
  5. Step 5: Solve for x
    x = 684,425,167,216,220.50/43,321,757.78
  6. Step 6: Final answer
    x = 15,798,647.20

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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.