Home / 205,172,087.32-283,128,977.22-112,350,995.80

Finding the Fourth Proportional to 205,172,087.32, 283,128,977.22 and 112,350,995.80

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Solution

The fourth proportional to 205,172,087.32, 283,128,977.22 and 112,350,995.80 is: 155,039,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,172,087.32 : 283,128,977.22 = 112,350,995.80 : x
  2. Step 2: Convert to fraction form
    205,172,087.32/283,128,977.22 = 112,350,995.80/x
  3. Step 3: Cross multiply
    205,172,087.32x = 283,128,977.22 × 112,350,995.80
  4. Step 4: Simplify right side
    205,172,087.32x = 31,809,822,530,502,520
  5. Step 5: Solve for x
    x = 31,809,822,530,502,520/205,172,087.32
  6. Step 6: Final answer
    x = 155,039,717.86

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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.