Home / 107,986,090.40-161,993,343.60-39,876,624.80

Finding the Fourth Proportional to 107,986,090.40, 161,993,343.60 and 39,876,624.80

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Solution

The fourth proportional to 107,986,090.40, 161,993,343.60 and 39,876,624.80 is: 59,820,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,986,090.40 : 161,993,343.60 = 39,876,624.80 : x
  2. Step 2: Convert to fraction form
    107,986,090.40/161,993,343.60 = 39,876,624.80/x
  3. Step 3: Cross multiply
    107,986,090.40x = 161,993,343.60 × 39,876,624.80
  4. Step 4: Simplify right side
    107,986,090.40x = 6,459,747,782,834,681
  5. Step 5: Solve for x
    x = 6,459,747,782,834,681/107,986,090.40
  6. Step 6: Final answer
    x = 59,820,183.87

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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.