Home / 131,220,132.40-196,830,198.60-97,207,908.40

Finding the Fourth Proportional to 131,220,132.40, 196,830,198.60 and 97,207,908.40

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Solution

The fourth proportional to 131,220,132.40, 196,830,198.60 and 97,207,908.40 is: 145,811,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,132.40 : 196,830,198.60 = 97,207,908.40 : x
  2. Step 2: Convert to fraction form
    131,220,132.40/196,830,198.60 = 97,207,908.40/x
  3. Step 3: Cross multiply
    131,220,132.40x = 196,830,198.60 × 97,207,908.40
  4. Step 4: Simplify right side
    131,220,132.40x = 19,133,451,915,862,608
  5. Step 5: Solve for x
    x = 19,133,451,915,862,608/131,220,132.40
  6. Step 6: Final answer
    x = 145,811,862.60

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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.