Home / 168,202,830.70-252,304,246.05-45,380,910.70

Finding the Fourth Proportional to 168,202,830.70, 252,304,246.05 and 45,380,910.70

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Solution

The fourth proportional to 168,202,830.70, 252,304,246.05 and 45,380,910.70 is: 68,071,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,202,830.70 : 252,304,246.05 = 45,380,910.70 : x
  2. Step 2: Convert to fraction form
    168,202,830.70/252,304,246.05 = 45,380,910.70/x
  3. Step 3: Cross multiply
    168,202,830.70x = 252,304,246.05 × 45,380,910.70
  4. Step 4: Simplify right side
    168,202,830.70x = 11,449,796,459,225,880
  5. Step 5: Solve for x
    x = 11,449,796,459,225,880/168,202,830.70
  6. Step 6: Final answer
    x = 68,071,366.05

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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.