Home / 221,415,426.20-332,123,139.30-106,372,227.80

Finding the Fourth Proportional to 221,415,426.20, 332,123,139.30 and 106,372,227.80

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Solution

The fourth proportional to 221,415,426.20, 332,123,139.30 and 106,372,227.80 is: 159,558,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,415,426.20 : 332,123,139.30 = 106,372,227.80 : x
  2. Step 2: Convert to fraction form
    221,415,426.20/332,123,139.30 = 106,372,227.80/x
  3. Step 3: Cross multiply
    221,415,426.20x = 332,123,139.30 × 106,372,227.80
  4. Step 4: Simplify right side
    221,415,426.20x = 35,328,678,231,270,732
  5. Step 5: Solve for x
    x = 35,328,678,231,270,732/221,415,426.20
  6. Step 6: Final answer
    x = 159,558,341.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.