Home / 72,504,294.40-108,756,441.60-64,568,108.80

Finding the Fourth Proportional to 72,504,294.40, 108,756,441.60 and 64,568,108.80

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Solution

The fourth proportional to 72,504,294.40, 108,756,441.60 and 64,568,108.80 is: 96,852,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,504,294.40 : 108,756,441.60 = 64,568,108.80 : x
  2. Step 2: Convert to fraction form
    72,504,294.40/108,756,441.60 = 64,568,108.80/x
  3. Step 3: Cross multiply
    72,504,294.40x = 108,756,441.60 × 64,568,108.80
  4. Step 4: Simplify right side
    72,504,294.40x = 7,022,197,753,929,645
  5. Step 5: Solve for x
    x = 7,022,197,753,929,645/72,504,294.40
  6. Step 6: Final answer
    x = 96,852,163.20

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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.