Home / 57,466,918.70-86,200,378.05-51,231,344.30

Finding the Fourth Proportional to 57,466,918.70, 86,200,378.05 and 51,231,344.30

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Solution

The fourth proportional to 57,466,918.70, 86,200,378.05 and 51,231,344.30 is: 76,847,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,466,918.70 : 86,200,378.05 = 51,231,344.30 : x
  2. Step 2: Convert to fraction form
    57,466,918.70/86,200,378.05 = 51,231,344.30/x
  3. Step 3: Cross multiply
    57,466,918.70x = 86,200,378.05 × 51,231,344.30
  4. Step 4: Simplify right side
    57,466,918.70x = 4,416,161,246,669,712
  5. Step 5: Solve for x
    x = 4,416,161,246,669,712/57,466,918.70
  6. Step 6: Final answer
    x = 76,847,016.45

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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.