Home / 204,289,916.20-306,434,874.30-127,699,426.60

Finding the Fourth Proportional to 204,289,916.20, 306,434,874.30 and 127,699,426.60

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Solution

The fourth proportional to 204,289,916.20, 306,434,874.30 and 127,699,426.60 is: 191,549,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,289,916.20 : 306,434,874.30 = 127,699,426.60 : x
  2. Step 2: Convert to fraction form
    204,289,916.20/306,434,874.30 = 127,699,426.60/x
  3. Step 3: Cross multiply
    204,289,916.20x = 306,434,874.30 × 127,699,426.60
  4. Step 4: Simplify right side
    204,289,916.20x = 39,131,557,738,353,080
  5. Step 5: Solve for x
    x = 39,131,557,738,353,080/204,289,916.20
  6. Step 6: Final answer
    x = 191,549,139.90

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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.