Home / 144,995,661.25-200,094,001.38-78,916,633.31

Finding the Fourth Proportional to 144,995,661.25, 200,094,001.38 and 78,916,633.31

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Solution

The fourth proportional to 144,995,661.25, 200,094,001.38 and 78,916,633.31 is: 108,904,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,995,661.25 : 200,094,001.38 = 78,916,633.31 : x
  2. Step 2: Convert to fraction form
    144,995,661.25/200,094,001.38 = 78,916,633.31/x
  3. Step 3: Cross multiply
    144,995,661.25x = 200,094,001.38 × 78,916,633.31
  4. Step 4: Simplify right side
    144,995,661.25x = 15,790,744,934,936,328
  5. Step 5: Solve for x
    x = 15,790,744,934,936,328/144,995,661.25
  6. Step 6: Final answer
    x = 108,904,947.91

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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.