Home / 154,095,660.17-212,651,959.73-84,479,546.37

Finding the Fourth Proportional to 154,095,660.17, 212,651,959.73 and 84,479,546.37

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Solution

The fourth proportional to 154,095,660.17, 212,651,959.73 and 84,479,546.37 is: 116,581,745.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,095,660.17 : 212,651,959.73 = 84,479,546.37 : x
  2. Step 2: Convert to fraction form
    154,095,660.17/212,651,959.73 = 84,479,546.37/x
  3. Step 3: Cross multiply
    154,095,660.17x = 212,651,959.73 × 84,479,546.37
  4. Step 4: Simplify right side
    154,095,660.17x = 17,964,741,092,259,510
  5. Step 5: Solve for x
    x = 17,964,741,092,259,510/154,095,660.17
  6. Step 6: Final answer
    x = 116,581,745.87

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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.