Home / 51,442,410.50-70,990,604.26-27,920,955.68

Finding the Fourth Proportional to 51,442,410.50, 70,990,604.26 and 27,920,955.68

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Solution

The fourth proportional to 51,442,410.50, 70,990,604.26 and 27,920,955.68 is: 38,530,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442,410.50 : 70,990,604.26 = 27,920,955.68 : x
  2. Step 2: Convert to fraction form
    51,442,410.50/70,990,604.26 = 27,920,955.68/x
  3. Step 3: Cross multiply
    51,442,410.50x = 70,990,604.26 × 27,920,955.68
  4. Step 4: Simplify right side
    51,442,410.50x = 1,982,125,515,438,047.50
  5. Step 5: Solve for x
    x = 1,982,125,515,438,047.50/51,442,410.50
  6. Step 6: Final answer
    x = 38,530,961.05

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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.