Home / 255,085,403.49-352,016,993.56-143,576,179.70

Finding the Fourth Proportional to 255,085,403.49, 352,016,993.56 and 143,576,179.70

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Solution

The fourth proportional to 255,085,403.49, 352,016,993.56 and 143,576,179.70 is: 198,134,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,085,403.49 : 352,016,993.56 = 143,576,179.70 : x
  2. Step 2: Convert to fraction form
    255,085,403.49/352,016,993.56 = 143,576,179.70/x
  3. Step 3: Cross multiply
    255,085,403.49x = 352,016,993.56 × 143,576,179.70
  4. Step 4: Simplify right side
    255,085,403.49x = 50,541,255,125,944,792
  5. Step 5: Solve for x
    x = 50,541,255,125,944,792/255,085,403.49
  6. Step 6: Final answer
    x = 198,134,642.10

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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.