Home / 212,217,494.28-292,801,332.25-127,422,589

Finding the Fourth Proportional to 212,217,494.28, 292,801,332.25 and 127,422,589

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Solution

The fourth proportional to 212,217,494.28, 292,801,332.25 and 127,422,589 is: 175,807,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,217,494.28 : 292,801,332.25 = 127,422,589 : x
  2. Step 2: Convert to fraction form
    212,217,494.28/292,801,332.25 = 127,422,589/x
  3. Step 3: Cross multiply
    212,217,494.28x = 292,801,332.25 × 127,422,589
  4. Step 4: Simplify right side
    212,217,494.28x = 37,309,503,817,944,192
  5. Step 5: Solve for x
    x = 37,309,503,817,944,192/212,217,494.28
  6. Step 6: Final answer
    x = 175,807,861.39

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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.