Home / 126,599,685.54-189,897,453.15-40,336,920.42

Finding the Fourth Proportional to 126,599,685.54, 189,897,453.15 and 40,336,920.42

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Solution

The fourth proportional to 126,599,685.54, 189,897,453.15 and 40,336,920.42 is: 60,504,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,599,685.54 : 189,897,453.15 = 40,336,920.42 : x
  2. Step 2: Convert to fraction form
    126,599,685.54/189,897,453.15 = 40,336,920.42/x
  3. Step 3: Cross multiply
    126,599,685.54x = 189,897,453.15 × 40,336,920.42
  4. Step 4: Simplify right side
    126,599,685.54x = 7,659,878,455,672,229
  5. Step 5: Solve for x
    x = 7,659,878,455,672,229/126,599,685.54
  6. Step 6: Final answer
    x = 60,504,719.45

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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.