Home / 129,960,965.70-194,941,448.55-109,553,631.30

Finding the Fourth Proportional to 129,960,965.70, 194,941,448.55 and 109,553,631.30

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Solution

The fourth proportional to 129,960,965.70, 194,941,448.55 and 109,553,631.30 is: 164,330,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,960,965.70 : 194,941,448.55 = 109,553,631.30 : x
  2. Step 2: Convert to fraction form
    129,960,965.70/194,941,448.55 = 109,553,631.30/x
  3. Step 3: Cross multiply
    129,960,965.70x = 194,941,448.55 × 109,553,631.30
  4. Step 4: Simplify right side
    129,960,965.70x = 21,356,543,579,534,620
  5. Step 5: Solve for x
    x = 21,356,543,579,534,620/129,960,965.70
  6. Step 6: Final answer
    x = 164,330,446.95

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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.