Home / 91,993,968,015.40-137,990,952,023.10-76,290,524,194.60

Finding the Fourth Proportional to 91,993,968,015.40, 137,990,952,023.10 and 76,290,524,194.60

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Solution

The fourth proportional to 91,993,968,015.40, 137,990,952,023.10 and 76,290,524,194.60 is: 114,435,786,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,993,968,015.40 : 137,990,952,023.10 = 76,290,524,194.60 : x
  2. Step 2: Convert to fraction form
    91,993,968,015.40/137,990,952,023.10 = 76,290,524,194.60/x
  3. Step 3: Cross multiply
    91,993,968,015.40x = 137,990,952,023.10 × 76,290,524,194.60
  4. Step 4: Simplify right side
    91,993,968,015.40x = 10,527,402,063,954,198,921,216
  5. Step 5: Solve for x
    x = 10,527,402,063,954,198,921,216/91,993,968,015.40
  6. Step 6: Final answer
    x = 114,435,786,291.90

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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.