Home / 209,952,593.70-314,928,890.55-117,741,675.30

Finding the Fourth Proportional to 209,952,593.70, 314,928,890.55 and 117,741,675.30

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Solution

The fourth proportional to 209,952,593.70, 314,928,890.55 and 117,741,675.30 is: 176,612,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,593.70 : 314,928,890.55 = 117,741,675.30 : x
  2. Step 2: Convert to fraction form
    209,952,593.70/314,928,890.55 = 117,741,675.30/x
  3. Step 3: Cross multiply
    209,952,593.70x = 314,928,890.55 × 117,741,675.30
  4. Step 4: Simplify right side
    209,952,593.70x = 37,080,255,173,727,336
  5. Step 5: Solve for x
    x = 37,080,255,173,727,336/209,952,593.70
  6. Step 6: Final answer
    x = 176,612,512.95

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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.