Home / 131,115,019.60-196,294,615.80-131,115,019.60

Finding the Fourth Proportional to 131,115,019.60, 196,294,615.80 and 131,115,019.60

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Solution

The fourth proportional to 131,115,019.60, 196,294,615.80 and 131,115,019.60 is: 196,294,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,115,019.60 : 196,294,615.80 = 131,115,019.60 : x
  2. Step 2: Convert to fraction form
    131,115,019.60/196,294,615.80 = 131,115,019.60/x
  3. Step 3: Cross multiply
    131,115,019.60x = 196,294,615.80 × 131,115,019.60
  4. Step 4: Simplify right side
    131,115,019.60x = 25,737,172,397,991,472
  5. Step 5: Solve for x
    x = 25,737,172,397,991,472/131,115,019.60
  6. Step 6: Final answer
    x = 196,294,615.80

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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.