Home / 107,906,679.60-161,860,019.40-75,028,196.40

Finding the Fourth Proportional to 107,906,679.60, 161,860,019.40 and 75,028,196.40

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Solution

The fourth proportional to 107,906,679.60, 161,860,019.40 and 75,028,196.40 is: 112,542,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,906,679.60 : 161,860,019.40 = 75,028,196.40 : x
  2. Step 2: Convert to fraction form
    107,906,679.60/161,860,019.40 = 75,028,196.40/x
  3. Step 3: Cross multiply
    107,906,679.60x = 161,860,019.40 × 75,028,196.40
  4. Step 4: Simplify right side
    107,906,679.60x = 12,144,065,324,851,012
  5. Step 5: Solve for x
    x = 12,144,065,324,851,012/107,906,679.60
  6. Step 6: Final answer
    x = 112,542,294.60

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1.5x scale

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.