Home / 72,664,160,805.09-108,995,783,839.11-39,103,591,906.80

Finding the Fourth Proportional to 72,664,160,805.09, 108,995,783,839.11 and 39,103,591,906.80

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Solution

The fourth proportional to 72,664,160,805.09, 108,995,783,839.11 and 39,103,591,906.80 is: 58,655,141,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,664,160,805.09 : 108,995,783,839.11 = 39,103,591,906.80 : x
  2. Step 2: Convert to fraction form
    72,664,160,805.09/108,995,783,839.11 = 39,103,591,906.80/x
  3. Step 3: Cross multiply
    72,664,160,805.09x = 108,995,783,839.11 × 39,103,591,906.80
  4. Step 4: Simplify right side
    72,664,160,805.09x = 4,262,126,650,806,344,613,888
  5. Step 5: Solve for x
    x = 4,262,126,650,806,344,613,888/72,664,160,805.09
  6. Step 6: Final answer
    x = 58,655,141,731.27

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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.