Home / 200,078,431.50-276,108,235.47-108,508,255.50

Finding the Fourth Proportional to 200,078,431.50, 276,108,235.47 and 108,508,255.50

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Solution

The fourth proportional to 200,078,431.50, 276,108,235.47 and 108,508,255.50 is: 149,741,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,078,431.50 : 276,108,235.47 = 108,508,255.50 : x
  2. Step 2: Convert to fraction form
    200,078,431.50/276,108,235.47 = 108,508,255.50/x
  3. Step 3: Cross multiply
    200,078,431.50x = 276,108,235.47 × 108,508,255.50
  4. Step 4: Simplify right side
    200,078,431.50x = 29,960,022,960,032,924
  5. Step 5: Solve for x
    x = 29,960,022,960,032,924/200,078,431.50
  6. Step 6: Final answer
    x = 149,741,392.59

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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.