Home / 111,551,228.20-167,326,842.30-67,902,207.40

Finding the Fourth Proportional to 111,551,228.20, 167,326,842.30 and 67,902,207.40

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Solution

The fourth proportional to 111,551,228.20, 167,326,842.30 and 67,902,207.40 is: 101,853,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,551,228.20 : 167,326,842.30 = 67,902,207.40 : x
  2. Step 2: Convert to fraction form
    111,551,228.20/167,326,842.30 = 67,902,207.40/x
  3. Step 3: Cross multiply
    111,551,228.20x = 167,326,842.30 × 67,902,207.40
  4. Step 4: Simplify right side
    111,551,228.20x = 11,361,861,949,441,694
  5. Step 5: Solve for x
    x = 11,361,861,949,441,694/111,551,228.20
  6. Step 6: Final answer
    x = 101,853,311.10

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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.