Home / 200,078,478.38-276,108,300.22-108,508,302.38

Finding the Fourth Proportional to 200,078,478.38, 276,108,300.22 and 108,508,302.38

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Solution

The fourth proportional to 200,078,478.38, 276,108,300.22 and 108,508,302.38 is: 149,741,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,078,478.38 : 276,108,300.22 = 108,508,302.38 : x
  2. Step 2: Convert to fraction form
    200,078,478.38/276,108,300.22 = 108,508,302.38/x
  3. Step 3: Cross multiply
    200,078,478.38x = 276,108,300.22 × 108,508,302.38
  4. Step 4: Simplify right side
    200,078,478.38x = 29,960,042,929,899,584
  5. Step 5: Solve for x
    x = 29,960,042,929,899,584/200,078,478.38
  6. Step 6: Final answer
    x = 149,741,457.31

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1.5x scale

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.