Home / 75,176,078.20-112,764,117.30-51,288,206.20

Finding the Fourth Proportional to 75,176,078.20, 112,764,117.30 and 51,288,206.20

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Solution

The fourth proportional to 75,176,078.20, 112,764,117.30 and 51,288,206.20 is: 76,932,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,176,078.20 : 112,764,117.30 = 51,288,206.20 : x
  2. Step 2: Convert to fraction form
    75,176,078.20/112,764,117.30 = 51,288,206.20/x
  3. Step 3: Cross multiply
    75,176,078.20x = 112,764,117.30 × 51,288,206.20
  4. Step 4: Simplify right side
    75,176,078.20x = 5,783,469,300,043,387
  5. Step 5: Solve for x
    x = 5,783,469,300,043,387/75,176,078.20
  6. Step 6: Final answer
    x = 76,932,309.30

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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.