Home / 65,195,449.30-89,950,099.80-39,080,438.56

Finding the Fourth Proportional to 65,195,449.30, 89,950,099.80 and 39,080,438.56

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Solution

The fourth proportional to 65,195,449.30, 89,950,099.80 and 39,080,438.56 is: 53,919,244.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,195,449.30 : 89,950,099.80 = 39,080,438.56 : x
  2. Step 2: Convert to fraction form
    65,195,449.30/89,950,099.80 = 39,080,438.56/x
  3. Step 3: Cross multiply
    65,195,449.30x = 89,950,099.80 × 39,080,438.56
  4. Step 4: Simplify right side
    65,195,449.30x = 3,515,289,348,699,768.50
  5. Step 5: Solve for x
    x = 3,515,289,348,699,768.50/65,195,449.30
  6. Step 6: Final answer
    x = 53,919,244.16

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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.