Home / 78,981,152.70-108,993,363.24-44,173,815.66

Finding the Fourth Proportional to 78,981,152.70, 108,993,363.24 and 44,173,815.66

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Solution

The fourth proportional to 78,981,152.70, 108,993,363.24 and 44,173,815.66 is: 60,959,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,981,152.70 : 108,993,363.24 = 44,173,815.66 : x
  2. Step 2: Convert to fraction form
    78,981,152.70/108,993,363.24 = 44,173,815.66/x
  3. Step 3: Cross multiply
    78,981,152.70x = 108,993,363.24 × 44,173,815.66
  4. Step 4: Simplify right side
    78,981,152.70x = 4,814,652,735,927,180
  5. Step 5: Solve for x
    x = 4,814,652,735,927,180/78,981,152.70
  6. Step 6: Final answer
    x = 60,959,514.66

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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.