Home / 72,609,049.67-100,197,943.52-39,568,624.59

Finding the Fourth Proportional to 72,609,049.67, 100,197,943.52 and 39,568,624.59

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Solution

The fourth proportional to 72,609,049.67, 100,197,943.52 and 39,568,624.59 is: 54,603,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,609,049.67 : 100,197,943.52 = 39,568,624.59 : x
  2. Step 2: Convert to fraction form
    72,609,049.67/100,197,943.52 = 39,568,624.59/x
  3. Step 3: Cross multiply
    72,609,049.67x = 100,197,943.52 × 39,568,624.59
  4. Step 4: Simplify right side
    72,609,049.67x = 3,964,694,811,635,060.50
  5. Step 5: Solve for x
    x = 3,964,694,811,635,060.50/72,609,049.67
  6. Step 6: Final answer
    x = 54,603,315.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.