Home / 132,372,028.80-198,558,043.20-64,347,580.80

Finding the Fourth Proportional to 132,372,028.80, 198,558,043.20 and 64,347,580.80

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Solution

The fourth proportional to 132,372,028.80, 198,558,043.20 and 64,347,580.80 is: 96,521,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372,028.80 : 198,558,043.20 = 64,347,580.80 : x
  2. Step 2: Convert to fraction form
    132,372,028.80/198,558,043.20 = 64,347,580.80/x
  3. Step 3: Cross multiply
    132,372,028.80x = 198,558,043.20 × 64,347,580.80
  4. Step 4: Simplify right side
    132,372,028.80x = 12,776,729,728,301,890
  5. Step 5: Solve for x
    x = 12,776,729,728,301,890/132,372,028.80
  6. Step 6: Final answer
    x = 96,521,371.20

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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.