Home / 209,952,671.70-314,929,007.55-117,741,753.30

Finding the Fourth Proportional to 209,952,671.70, 314,929,007.55 and 117,741,753.30

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Solution

The fourth proportional to 209,952,671.70, 314,929,007.55 and 117,741,753.30 is: 176,612,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,671.70 : 314,929,007.55 = 117,741,753.30 : x
  2. Step 2: Convert to fraction form
    209,952,671.70/314,929,007.55 = 117,741,753.30/x
  3. Step 3: Cross multiply
    209,952,671.70x = 314,929,007.55 × 117,741,753.30
  4. Step 4: Simplify right side
    209,952,671.70x = 37,080,293,513,965,936
  5. Step 5: Solve for x
    x = 37,080,293,513,965,936/209,952,671.70
  6. Step 6: Final answer
    x = 176,612,629.95

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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.