Home / 76,767,101.20-115,252,805.71-40,401,029.52

Finding the Fourth Proportional to 76,767,101.20, 115,252,805.71 and 40,401,029.52

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Solution

The fourth proportional to 76,767,101.20, 115,252,805.71 and 40,401,029.52 is: 60,655,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,767,101.20 : 115,252,805.71 = 40,401,029.52 : x
  2. Step 2: Convert to fraction form
    76,767,101.20/115,252,805.71 = 40,401,029.52/x
  3. Step 3: Cross multiply
    76,767,101.20x = 115,252,805.71 × 40,401,029.52
  4. Step 4: Simplify right side
    76,767,101.20x = 4,656,332,005,752,535
  5. Step 5: Solve for x
    x = 4,656,332,005,752,535/76,767,101.20
  6. Step 6: Final answer
    x = 60,655,305.89

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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.