Home / 168,555,517.70-252,850,116.45-45,735,784.70

Finding the Fourth Proportional to 168,555,517.70, 252,850,116.45 and 45,735,784.70

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Solution

The fourth proportional to 168,555,517.70, 252,850,116.45 and 45,735,784.70 is: 68,608,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,555,517.70 : 252,850,116.45 = 45,735,784.70 : x
  2. Step 2: Convert to fraction form
    168,555,517.70/252,850,116.45 = 45,735,784.70/x
  3. Step 3: Cross multiply
    168,555,517.70x = 252,850,116.45 × 45,735,784.70
  4. Step 4: Simplify right side
    168,555,517.70x = 11,564,298,487,327,128
  5. Step 5: Solve for x
    x = 11,564,298,487,327,128/168,555,517.70
  6. Step 6: Final answer
    x = 68,608,246.38

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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.