Home / 72,609,764.80-108,914,647.20-63,823,273.60

Finding the Fourth Proportional to 72,609,764.80, 108,914,647.20 and 63,823,273.60

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Solution

The fourth proportional to 72,609,764.80, 108,914,647.20 and 63,823,273.60 is: 95,734,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,609,764.80 : 108,914,647.20 = 63,823,273.60 : x
  2. Step 2: Convert to fraction form
    72,609,764.80/108,914,647.20 = 63,823,273.60/x
  3. Step 3: Cross multiply
    72,609,764.80x = 108,914,647.20 × 63,823,273.60
  4. Step 4: Simplify right side
    72,609,764.80x = 6,951,289,327,293,074
  5. Step 5: Solve for x
    x = 6,951,289,327,293,074/72,609,764.80
  6. Step 6: Final answer
    x = 95,734,910.40

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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.