Home / 209,588,851.58-289,233,753.39-120,273,684.18

Finding the Fourth Proportional to 209,588,851.58, 289,233,753.39 and 120,273,684.18

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Solution

The fourth proportional to 209,588,851.58, 289,233,753.39 and 120,273,684.18 is: 165,978,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,588,851.58 : 289,233,753.39 = 120,273,684.18 : x
  2. Step 2: Convert to fraction form
    209,588,851.58/289,233,753.39 = 120,273,684.18/x
  3. Step 3: Cross multiply
    209,588,851.58x = 289,233,753.39 × 120,273,684.18
  4. Step 4: Simplify right side
    209,588,851.58x = 34,787,209,109,424,864
  5. Step 5: Solve for x
    x = 34,787,209,109,424,864/209,588,851.58
  6. Step 6: Final answer
    x = 165,978,337.34

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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.