Home / 185,286,438-277,929,665.64-126,936,578.16

Finding the Fourth Proportional to 185,286,438, 277,929,665.64 and 126,936,578.16

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Solution

The fourth proportional to 185,286,438, 277,929,665.64 and 126,936,578.16 is: 190,404,873.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,286,438 : 277,929,665.64 = 126,936,578.16 : x
  2. Step 2: Convert to fraction form
    185,286,438/277,929,665.64 = 126,936,578.16/x
  3. Step 3: Cross multiply
    185,286,438x = 277,929,665.64 × 126,936,578.16
  4. Step 4: Simplify right side
    185,286,438x = 35,279,440,725,494,524
  5. Step 5: Solve for x
    x = 35,279,440,725,494,524/185,286,438
  6. Step 6: Final answer
    x = 190,404,873.16

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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.