Home / 43,831,912.15-65,747,868.23-18,291,251.35

Finding the Fourth Proportional to 43,831,912.15, 65,747,868.23 and 18,291,251.35

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Solution

The fourth proportional to 43,831,912.15, 65,747,868.23 and 18,291,251.35 is: 27,436,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831,912.15 : 65,747,868.23 = 18,291,251.35 : x
  2. Step 2: Convert to fraction form
    43,831,912.15/65,747,868.23 = 18,291,251.35/x
  3. Step 3: Cross multiply
    43,831,912.15x = 65,747,868.23 × 18,291,251.35
  4. Step 4: Simplify right side
    43,831,912.15x = 1,202,610,783,521,609.75
  5. Step 5: Solve for x
    x = 1,202,610,783,521,609.75/43,831,912.15
  6. Step 6: Final answer
    x = 27,436,877.03

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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.