Home / 129,960,043.20-194,940,064.80-109,552,708.80

Finding the Fourth Proportional to 129,960,043.20, 194,940,064.80 and 109,552,708.80

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Solution

The fourth proportional to 129,960,043.20, 194,940,064.80 and 109,552,708.80 is: 164,329,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,960,043.20 : 194,940,064.80 = 109,552,708.80 : x
  2. Step 2: Convert to fraction form
    129,960,043.20/194,940,064.80 = 109,552,708.80/x
  3. Step 3: Cross multiply
    129,960,043.20x = 194,940,064.80 × 109,552,708.80
  4. Step 4: Simplify right side
    129,960,043.20x = 21,356,212,152,487,532
  5. Step 5: Solve for x
    x = 21,356,212,152,487,532/129,960,043.20
  6. Step 6: Final answer
    x = 164,329,063.20

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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.