Home / 205,076,249.40-307,614,374.10-189,504,895.80

Finding the Fourth Proportional to 205,076,249.40, 307,614,374.10 and 189,504,895.80

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Solution

The fourth proportional to 205,076,249.40, 307,614,374.10 and 189,504,895.80 is: 284,257,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,076,249.40 : 307,614,374.10 = 189,504,895.80 : x
  2. Step 2: Convert to fraction form
    205,076,249.40/307,614,374.10 = 189,504,895.80/x
  3. Step 3: Cross multiply
    205,076,249.40x = 307,614,374.10 × 189,504,895.80
  4. Step 4: Simplify right side
    205,076,249.40x = 58,294,429,910,402,728
  5. Step 5: Solve for x
    x = 58,294,429,910,402,728/205,076,249.40
  6. Step 6: Final answer
    x = 284,257,343.70

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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.