Home / 129,960,048.20-194,940,072.30-109,552,713.80

Finding the Fourth Proportional to 129,960,048.20, 194,940,072.30 and 109,552,713.80

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Solution

The fourth proportional to 129,960,048.20, 194,940,072.30 and 109,552,713.80 is: 164,329,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,960,048.20 : 194,940,072.30 = 109,552,713.80 : x
  2. Step 2: Convert to fraction form
    129,960,048.20/194,940,072.30 = 109,552,713.80/x
  3. Step 3: Cross multiply
    129,960,048.20x = 194,940,072.30 × 109,552,713.80
  4. Step 4: Simplify right side
    129,960,048.20x = 21,356,213,948,833,208
  5. Step 5: Solve for x
    x = 21,356,213,948,833,208/129,960,048.20
  6. Step 6: Final answer
    x = 164,329,070.70

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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.