Home / 78,279,316.95-108,022,497.72-43,474,249.41

Finding the Fourth Proportional to 78,279,316.95, 108,022,497.72 and 43,474,249.41

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Solution

The fourth proportional to 78,279,316.95, 108,022,497.72 and 43,474,249.41 is: 59,992,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,279,316.95 : 108,022,497.72 = 43,474,249.41 : x
  2. Step 2: Convert to fraction form
    78,279,316.95/108,022,497.72 = 43,474,249.41/x
  3. Step 3: Cross multiply
    78,279,316.95x = 108,022,497.72 × 43,474,249.41
  4. Step 4: Simplify right side
    78,279,316.95x = 4,696,197,007,770,436
  5. Step 5: Solve for x
    x = 4,696,197,007,770,436/78,279,316.95
  6. Step 6: Final answer
    x = 59,992,820.46

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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.