Home / 78,718,522.56-108,632,268.16-43,437,896.80

Finding the Fourth Proportional to 78,718,522.56, 108,632,268.16 and 43,437,896.80

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Solution

The fourth proportional to 78,718,522.56, 108,632,268.16 and 43,437,896.80 is: 59,944,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,718,522.56 : 108,632,268.16 = 43,437,896.80 : x
  2. Step 2: Convert to fraction form
    78,718,522.56/108,632,268.16 = 43,437,896.80/x
  3. Step 3: Cross multiply
    78,718,522.56x = 108,632,268.16 × 43,437,896.80
  4. Step 4: Simplify right side
    78,718,522.56x = 4,718,757,253,484,005
  5. Step 5: Solve for x
    x = 4,718,757,253,484,005/78,718,522.56
  6. Step 6: Final answer
    x = 59,944,687.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.