Home / 221,415,427.20-332,123,140.80-106,372,228.80

Finding the Fourth Proportional to 221,415,427.20, 332,123,140.80 and 106,372,228.80

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Solution

The fourth proportional to 221,415,427.20, 332,123,140.80 and 106,372,228.80 is: 159,558,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,415,427.20 : 332,123,140.80 = 106,372,228.80 : x
  2. Step 2: Convert to fraction form
    221,415,427.20/332,123,140.80 = 106,372,228.80/x
  3. Step 3: Cross multiply
    221,415,427.20x = 332,123,140.80 × 106,372,228.80
  4. Step 4: Simplify right side
    221,415,427.20x = 35,328,678,722,952,216
  5. Step 5: Solve for x
    x = 35,328,678,722,952,216/221,415,427.20
  6. Step 6: Final answer
    x = 159,558,343.20

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