Home / 168,151,507.20-252,227,260.80-103,244,846.40

Finding the Fourth Proportional to 168,151,507.20, 252,227,260.80 and 103,244,846.40

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Solution

The fourth proportional to 168,151,507.20, 252,227,260.80 and 103,244,846.40 is: 154,867,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,151,507.20 : 252,227,260.80 = 103,244,846.40 : x
  2. Step 2: Convert to fraction form
    168,151,507.20/252,227,260.80 = 103,244,846.40/x
  3. Step 3: Cross multiply
    168,151,507.20x = 252,227,260.80 × 103,244,846.40
  4. Step 4: Simplify right side
    168,151,507.20x = 26,041,164,799,188,744
  5. Step 5: Solve for x
    x = 26,041,164,799,188,744/168,151,507.20
  6. Step 6: Final answer
    x = 154,867,269.60

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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.