Home / 78,279,315.95-108,022,496.34-43,474,248.41

Finding the Fourth Proportional to 78,279,315.95, 108,022,496.34 and 43,474,248.41

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Solution

The fourth proportional to 78,279,315.95, 108,022,496.34 and 43,474,248.41 is: 59,992,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,279,315.95 : 108,022,496.34 = 43,474,248.41 : x
  2. Step 2: Convert to fraction form
    78,279,315.95/108,022,496.34 = 43,474,248.41/x
  3. Step 3: Cross multiply
    78,279,315.95x = 108,022,496.34 × 43,474,248.41
  4. Step 4: Simplify right side
    78,279,315.95x = 4,696,196,839,213,364
  5. Step 5: Solve for x
    x = 4,696,196,839,213,364/78,279,315.95
  6. Step 6: Final answer
    x = 59,992,819.08

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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.