Home / 84,037,827.72-115,981,118.32-49,259,738.20

Finding the Fourth Proportional to 84,037,827.72, 115,981,118.32 and 49,259,738.20

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Solution

The fourth proportional to 84,037,827.72, 115,981,118.32 and 49,259,738.20 is: 67,983,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037,827.72 : 115,981,118.32 = 49,259,738.20 : x
  2. Step 2: Convert to fraction form
    84,037,827.72/115,981,118.32 = 49,259,738.20/x
  3. Step 3: Cross multiply
    84,037,827.72x = 115,981,118.32 × 49,259,738.20
  4. Step 4: Simplify right side
    84,037,827.72x = 5,713,199,524,586,424
  5. Step 5: Solve for x
    x = 5,713,199,524,586,424/84,037,827.72
  6. Step 6: Final answer
    x = 67,983,664.97

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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.