Home / 65,581,199.66-90,469,367.30-39,100,877.91

Finding the Fourth Proportional to 65,581,199.66, 90,469,367.30 and 39,100,877.91

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Solution

The fourth proportional to 65,581,199.66, 90,469,367.30 and 39,100,877.91 is: 53,939,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,581,199.66 : 90,469,367.30 = 39,100,877.91 : x
  2. Step 2: Convert to fraction form
    65,581,199.66/90,469,367.30 = 39,100,877.91/x
  3. Step 3: Cross multiply
    65,581,199.66x = 90,469,367.30 × 39,100,877.91
  4. Step 4: Simplify right side
    65,581,199.66x = 3,537,431,685,489,998
  5. Step 5: Solve for x
    x = 3,537,431,685,489,998/65,581,199.66
  6. Step 6: Final answer
    x = 53,939,722.11

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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.