Home / 91,901,019.30-126,823,407.21-50,647,912.26

Finding the Fourth Proportional to 91,901,019.30, 126,823,407.21 and 50,647,912.26

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Solution

The fourth proportional to 91,901,019.30, 126,823,407.21 and 50,647,912.26 is: 69,894,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,901,019.30 : 126,823,407.21 = 50,647,912.26 : x
  2. Step 2: Convert to fraction form
    91,901,019.30/126,823,407.21 = 50,647,912.26/x
  3. Step 3: Cross multiply
    91,901,019.30x = 126,823,407.21 × 50,647,912.26
  4. Step 4: Simplify right side
    91,901,019.30x = 6,423,340,800,886,331
  5. Step 5: Solve for x
    x = 6,423,340,800,886,331/91,901,019.30
  6. Step 6: Final answer
    x = 69,894,119.24

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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.