Home / 107,986,079.40-161,993,327.10-39,876,613.80

Finding the Fourth Proportional to 107,986,079.40, 161,993,327.10 and 39,876,613.80

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Solution

The fourth proportional to 107,986,079.40, 161,993,327.10 and 39,876,613.80 is: 59,820,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,986,079.40 : 161,993,327.10 = 39,876,613.80 : x
  2. Step 2: Convert to fraction form
    107,986,079.40/161,993,327.10 = 39,876,613.80/x
  3. Step 3: Cross multiply
    107,986,079.40x = 161,993,327.10 × 39,876,613.80
  4. Step 4: Simplify right side
    107,986,079.40x = 6,459,745,342,943,773
  5. Step 5: Solve for x
    x = 6,459,745,342,943,773/107,986,079.40
  6. Step 6: Final answer
    x = 59,820,167.37

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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.