Home / 131,135,293.40-196,702,940.10-92,840,048.60

Finding the Fourth Proportional to 131,135,293.40, 196,702,940.10 and 92,840,048.60

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Solution

The fourth proportional to 131,135,293.40, 196,702,940.10 and 92,840,048.60 is: 139,260,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,135,293.40 : 196,702,940.10 = 92,840,048.60 : x
  2. Step 2: Convert to fraction form
    131,135,293.40/196,702,940.10 = 92,840,048.60/x
  3. Step 3: Cross multiply
    131,135,293.40x = 196,702,940.10 × 92,840,048.60
  4. Step 4: Simplify right side
    131,135,293.40x = 18,261,910,518,646,888
  5. Step 5: Solve for x
    x = 18,261,910,518,646,888/131,135,293.40
  6. Step 6: Final answer
    x = 139,260,072.90

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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.