Home / 161,433,824.52-222,785,732.10-90,873,983.76

Finding the Fourth Proportional to 161,433,824.52, 222,785,732.10 and 90,873,983.76

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Solution

The fourth proportional to 161,433,824.52, 222,785,732.10 and 90,873,983.76 is: 125,410,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,433,824.52 : 222,785,732.10 = 90,873,983.76 : x
  2. Step 2: Convert to fraction form
    161,433,824.52/222,785,732.10 = 90,873,983.76/x
  3. Step 3: Cross multiply
    161,433,824.52x = 222,785,732.10 × 90,873,983.76
  4. Step 4: Simplify right side
    161,433,824.52x = 20,245,427,000,815,112
  5. Step 5: Solve for x
    x = 20,245,427,000,815,112/161,433,824.52
  6. Step 6: Final answer
    x = 125,410,068.56

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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.