Home / 78,874,427.30-108,846,755.78-44,067,117.69

Finding the Fourth Proportional to 78,874,427.30, 108,846,755.78 and 44,067,117.69

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Solution

The fourth proportional to 78,874,427.30, 108,846,755.78 and 44,067,117.69 is: 60,812,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,874,427.30 : 108,846,755.78 = 44,067,117.69 : x
  2. Step 2: Convert to fraction form
    78,874,427.30/108,846,755.78 = 44,067,117.69/x
  3. Step 3: Cross multiply
    78,874,427.30x = 108,846,755.78 × 44,067,117.69
  4. Step 4: Simplify right side
    78,874,427.30x = 4,796,562,796,911,612
  5. Step 5: Solve for x
    x = 4,796,562,796,911,612/78,874,427.30
  6. Step 6: Final answer
    x = 60,812,648.17

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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.