Home / 86,874,616.50-119,907,849.30-49,726,433.76

Finding the Fourth Proportional to 86,874,616.50, 119,907,849.30 and 49,726,433.76

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Solution

The fourth proportional to 86,874,616.50, 119,907,849.30 and 49,726,433.76 is: 68,634,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,874,616.50 : 119,907,849.30 = 49,726,433.76 : x
  2. Step 2: Convert to fraction form
    86,874,616.50/119,907,849.30 = 49,726,433.76/x
  3. Step 3: Cross multiply
    86,874,616.50x = 119,907,849.30 × 49,726,433.76
  4. Step 4: Simplify right side
    86,874,616.50x = 5,962,589,725,520,512
  5. Step 5: Solve for x
    x = 5,962,589,725,520,512/86,874,616.50
  6. Step 6: Final answer
    x = 68,634,429.32

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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.