Home / 146,702,991.90-220,054,487.85-131,397,491.10

Finding the Fourth Proportional to 146,702,991.90, 220,054,487.85 and 131,397,491.10

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Solution

The fourth proportional to 146,702,991.90, 220,054,487.85 and 131,397,491.10 is: 197,096,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,702,991.90 : 220,054,487.85 = 131,397,491.10 : x
  2. Step 2: Convert to fraction form
    146,702,991.90/220,054,487.85 = 131,397,491.10/x
  3. Step 3: Cross multiply
    146,702,991.90x = 220,054,487.85 × 131,397,491.10
  4. Step 4: Simplify right side
    146,702,991.90x = 28,914,607,608,785,432
  5. Step 5: Solve for x
    x = 28,914,607,608,785,432/146,702,991.90
  6. Step 6: Final answer
    x = 197,096,236.65

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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.