Home / 49,170,674.40-73,811,998.80-28,987,288.80

Finding the Fourth Proportional to 49,170,674.40, 73,811,998.80 and 28,987,288.80

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Solution

The fourth proportional to 49,170,674.40, 73,811,998.80 and 28,987,288.80 is: 43,513,938.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,170,674.40 : 73,811,998.80 = 28,987,288.80 : x
  2. Step 2: Convert to fraction form
    49,170,674.40/73,811,998.80 = 28,987,288.80/x
  3. Step 3: Cross multiply
    49,170,674.40x = 73,811,998.80 × 28,987,288.80
  4. Step 4: Simplify right side
    49,170,674.40x = 2,139,609,726,120,853.50
  5. Step 5: Solve for x
    x = 2,139,609,726,120,853.50/49,170,674.40
  6. Step 6: Final answer
    x = 43,513,938.99

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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.