Home / 131,135,288.40-196,702,932.60-92,840,043.60

Finding the Fourth Proportional to 131,135,288.40, 196,702,932.60 and 92,840,043.60

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Solution

The fourth proportional to 131,135,288.40, 196,702,932.60 and 92,840,043.60 is: 139,260,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,135,288.40 : 196,702,932.60 = 92,840,043.60 : x
  2. Step 2: Convert to fraction form
    131,135,288.40/196,702,932.60 = 92,840,043.60/x
  3. Step 3: Cross multiply
    131,135,288.40x = 196,702,932.60 × 92,840,043.60
  4. Step 4: Simplify right side
    131,135,288.40x = 18,261,908,838,831,860
  5. Step 5: Solve for x
    x = 18,261,908,838,831,860/131,135,288.40
  6. Step 6: Final answer
    x = 139,260,065.40

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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.