Home / 132,169,896.53-198,232,855.40-40,031,728.34

Finding the Fourth Proportional to 132,169,896.53, 198,232,855.40 and 40,031,728.34

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Solution

The fourth proportional to 132,169,896.53, 198,232,855.40 and 40,031,728.34 is: 60,040,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,169,896.53 : 198,232,855.40 = 40,031,728.34 : x
  2. Step 2: Convert to fraction form
    132,169,896.53/198,232,855.40 = 40,031,728.34/x
  3. Step 3: Cross multiply
    132,169,896.53x = 198,232,855.40 × 40,031,728.34
  4. Step 4: Simplify right side
    132,169,896.53x = 7,935,603,814,243,980
  5. Step 5: Solve for x
    x = 7,935,603,814,243,980/132,169,896.53
  6. Step 6: Final answer
    x = 60,040,932.34

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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.