Home / 109,590,084.39-151,176,979.26-67,760,778.47

Finding the Fourth Proportional to 109,590,084.39, 151,176,979.26 and 67,760,778.47

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Solution

The fourth proportional to 109,590,084.39, 151,176,979.26 and 67,760,778.47 is: 93,474,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,590,084.39 : 151,176,979.26 = 67,760,778.47 : x
  2. Step 2: Convert to fraction form
    109,590,084.39/151,176,979.26 = 67,760,778.47/x
  3. Step 3: Cross multiply
    109,590,084.39x = 151,176,979.26 × 67,760,778.47
  4. Step 4: Simplify right side
    109,590,084.39x = 10,243,869,801,400,644
  5. Step 5: Solve for x
    x = 10,243,869,801,400,644/109,590,084.39
  6. Step 6: Final answer
    x = 93,474,422.06

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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.