Home / 205,076,246.40-307,614,369.60-189,504,892.80

Finding the Fourth Proportional to 205,076,246.40, 307,614,369.60 and 189,504,892.80

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Solution

The fourth proportional to 205,076,246.40, 307,614,369.60 and 189,504,892.80 is: 284,257,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,076,246.40 : 307,614,369.60 = 189,504,892.80 : x
  2. Step 2: Convert to fraction form
    205,076,246.40/307,614,369.60 = 189,504,892.80/x
  3. Step 3: Cross multiply
    205,076,246.40x = 307,614,369.60 × 189,504,892.80
  4. Step 4: Simplify right side
    205,076,246.40x = 58,294,428,134,787,584
  5. Step 5: Solve for x
    x = 58,294,428,134,787,584/205,076,246.40
  6. Step 6: Final answer
    x = 284,257,339.20

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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.