Home / 146,895,929.22-202,716,373.07-80,815,009.86

Finding the Fourth Proportional to 146,895,929.22, 202,716,373.07 and 80,815,009.86

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Solution

The fourth proportional to 146,895,929.22, 202,716,373.07 and 80,815,009.86 is: 111,524,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,895,929.22 : 202,716,373.07 = 80,815,009.86 : x
  2. Step 2: Convert to fraction form
    146,895,929.22/202,716,373.07 = 80,815,009.86/x
  3. Step 3: Cross multiply
    146,895,929.22x = 202,716,373.07 × 80,815,009.86
  4. Step 4: Simplify right side
    146,895,929.22x = 16,382,525,687,017,832
  5. Step 5: Solve for x
    x = 16,382,525,687,017,832/146,895,929.22
  6. Step 6: Final answer
    x = 111,524,708.51

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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.