Home / 91,993,968,308.40-137,990,952,462.60-76,290,524,487.60

Finding the Fourth Proportional to 91,993,968,308.40, 137,990,952,462.60 and 76,290,524,487.60

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Solution

The fourth proportional to 91,993,968,308.40, 137,990,952,462.60 and 76,290,524,487.60 is: 114,435,786,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,993,968,308.40 : 137,990,952,462.60 = 76,290,524,487.60 : x
  2. Step 2: Convert to fraction form
    91,993,968,308.40/137,990,952,462.60 = 76,290,524,487.60/x
  3. Step 3: Cross multiply
    91,993,968,308.40x = 137,990,952,462.60 × 76,290,524,487.60
  4. Step 4: Simplify right side
    91,993,968,308.40x = 10,527,402,137,915,234,451,456
  5. Step 5: Solve for x
    x = 10,527,402,137,915,234,451,456/91,993,968,308.40
  6. Step 6: Final answer
    x = 114,435,786,731.40

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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.