Home / 78,458,183.28-117,713,759.76-34,732,910.70

Finding the Fourth Proportional to 78,458,183.28, 117,713,759.76 and 34,732,910.70

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Solution

The fourth proportional to 78,458,183.28, 117,713,759.76 and 34,732,910.70 is: 52,111,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,458,183.28 : 117,713,759.76 = 34,732,910.70 : x
  2. Step 2: Convert to fraction form
    78,458,183.28/117,713,759.76 = 34,732,910.70/x
  3. Step 3: Cross multiply
    78,458,183.28x = 117,713,759.76 × 34,732,910.70
  4. Step 4: Simplify right side
    78,458,183.28x = 4,088,541,505,905,334
  5. Step 5: Solve for x
    x = 4,088,541,505,905,334/78,458,183.28
  6. Step 6: Final answer
    x = 52,111,090.71

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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.