Home / 131,220,023.40-196,830,035.10-92,924,778.60

Finding the Fourth Proportional to 131,220,023.40, 196,830,035.10 and 92,924,778.60

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Solution

The fourth proportional to 131,220,023.40, 196,830,035.10 and 92,924,778.60 is: 139,387,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,023.40 : 196,830,035.10 = 92,924,778.60 : x
  2. Step 2: Convert to fraction form
    131,220,023.40/196,830,035.10 = 92,924,778.60/x
  3. Step 3: Cross multiply
    131,220,023.40x = 196,830,035.10 × 92,924,778.60
  4. Step 4: Simplify right side
    131,220,023.40x = 18,290,387,433,497,728
  5. Step 5: Solve for x
    x = 18,290,387,433,497,728/131,220,023.40
  6. Step 6: Final answer
    x = 139,387,167.90

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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.