Home / 168,552,485.10-252,726,084.45-66,193,886.70

Finding the Fourth Proportional to 168,552,485.10, 252,726,084.45 and 66,193,886.70

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Solution

The fourth proportional to 168,552,485.10, 252,726,084.45 and 66,193,886.70 is: 99,250,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,552,485.10 : 252,726,084.45 = 66,193,886.70 : x
  2. Step 2: Convert to fraction form
    168,552,485.10/252,726,084.45 = 66,193,886.70/x
  3. Step 3: Cross multiply
    168,552,485.10x = 252,726,084.45 × 66,193,886.70
  4. Step 4: Simplify right side
    168,552,485.10x = 16,728,921,800,217,932
  5. Step 5: Solve for x
    x = 16,728,921,800,217,932/168,552,485.10
  6. Step 6: Final answer
    x = 99,250,520.04

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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.