Home / 132,982,683.35-199,474,025.03-81,964,347.35

Finding the Fourth Proportional to 132,982,683.35, 199,474,025.03 and 81,964,347.35

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Solution

The fourth proportional to 132,982,683.35, 199,474,025.03 and 81,964,347.35 is: 122,946,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,982,683.35 : 199,474,025.03 = 81,964,347.35 : x
  2. Step 2: Convert to fraction form
    132,982,683.35/199,474,025.03 = 81,964,347.35/x
  3. Step 3: Cross multiply
    132,982,683.35x = 199,474,025.03 × 81,964,347.35
  4. Step 4: Simplify right side
    132,982,683.35x = 16,349,758,274,451,692
  5. Step 5: Solve for x
    x = 16,349,758,274,451,692/132,982,683.35
  6. Step 6: Final answer
    x = 122,946,521.03

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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.