Home / 131,991,002.90-197,986,504.35-97,978,778.90

Finding the Fourth Proportional to 131,991,002.90, 197,986,504.35 and 97,978,778.90

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Solution

The fourth proportional to 131,991,002.90, 197,986,504.35 and 97,978,778.90 is: 146,968,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,991,002.90 : 197,986,504.35 = 97,978,778.90 : x
  2. Step 2: Convert to fraction form
    131,991,002.90/197,986,504.35 = 97,978,778.90/x
  3. Step 3: Cross multiply
    131,991,002.90x = 197,986,504.35 × 97,978,778.90
  4. Step 4: Simplify right side
    131,991,002.90x = 19,398,475,934,892,540
  5. Step 5: Solve for x
    x = 19,398,475,934,892,540/131,991,002.90
  6. Step 6: Final answer
    x = 146,968,168.35

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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.