Home / 194,467,979.36-268,336,001.04-111,945,818.72

Finding the Fourth Proportional to 194,467,979.36, 268,336,001.04 and 111,945,818.72

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Solution

The fourth proportional to 194,467,979.36, 268,336,001.04 and 111,945,818.72 is: 154,468,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,467,979.36 : 268,336,001.04 = 111,945,818.72 : x
  2. Step 2: Convert to fraction form
    194,467,979.36/268,336,001.04 = 111,945,818.72/x
  3. Step 3: Cross multiply
    194,467,979.36x = 268,336,001.04 × 111,945,818.72
  4. Step 4: Simplify right side
    194,467,979.36x = 30,039,093,328,473,572
  5. Step 5: Solve for x
    x = 30,039,093,328,473,572/194,467,979.36
  6. Step 6: Final answer
    x = 154,468,069.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.