Home / 43,419,515.28-65,044,132.92-25,185,402.72

Finding the Fourth Proportional to 43,419,515.28, 65,044,132.92 and 25,185,402.72

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Solution

The fourth proportional to 43,419,515.28, 65,044,132.92 and 25,185,402.72 is: 37,728,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,419,515.28 : 65,044,132.92 = 25,185,402.72 : x
  2. Step 2: Convert to fraction form
    43,419,515.28/65,044,132.92 = 25,185,402.72/x
  3. Step 3: Cross multiply
    43,419,515.28x = 65,044,132.92 × 25,185,402.72
  4. Step 4: Simplify right side
    43,419,515.28x = 1,638,162,682,163,409.50
  5. Step 5: Solve for x
    x = 1,638,162,682,163,409.50/43,419,515.28
  6. Step 6: Final answer
    x = 37,728,718.79

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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.