Home / 130,880,223.82-196,318,654.13-43,481,928.09

Finding the Fourth Proportional to 130,880,223.82, 196,318,654.13 and 43,481,928.09

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Solution

The fourth proportional to 130,880,223.82, 196,318,654.13 and 43,481,928.09 is: 65,222,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,880,223.82 : 196,318,654.13 = 43,481,928.09 : x
  2. Step 2: Convert to fraction form
    130,880,223.82/196,318,654.13 = 43,481,928.09/x
  3. Step 3: Cross multiply
    130,880,223.82x = 196,318,654.13 × 43,481,928.09
  4. Step 4: Simplify right side
    130,880,223.82x = 8,536,313,602,451,141
  5. Step 5: Solve for x
    x = 8,536,313,602,451,141/130,880,223.82
  6. Step 6: Final answer
    x = 65,222,333.47

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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.