Home / 145,214,999.10-217,822,498.65-112,336,515.90

Finding the Fourth Proportional to 145,214,999.10, 217,822,498.65 and 112,336,515.90

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Solution

The fourth proportional to 145,214,999.10, 217,822,498.65 and 112,336,515.90 is: 168,504,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,214,999.10 : 217,822,498.65 = 112,336,515.90 : x
  2. Step 2: Convert to fraction form
    145,214,999.10/217,822,498.65 = 112,336,515.90/x
  3. Step 3: Cross multiply
    145,214,999.10x = 217,822,498.65 × 112,336,515.90
  4. Step 4: Simplify right side
    145,214,999.10x = 24,469,420,582,973,456
  5. Step 5: Solve for x
    x = 24,469,420,582,973,456/145,214,999.10
  6. Step 6: Final answer
    x = 168,504,773.85

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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.