Home / 205,076,259.40-307,614,389.10-189,504,905.80

Finding the Fourth Proportional to 205,076,259.40, 307,614,389.10 and 189,504,905.80

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Solution

The fourth proportional to 205,076,259.40, 307,614,389.10 and 189,504,905.80 is: 284,257,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,076,259.40 : 307,614,389.10 = 189,504,905.80 : x
  2. Step 2: Convert to fraction form
    205,076,259.40/307,614,389.10 = 189,504,905.80/x
  3. Step 3: Cross multiply
    205,076,259.40x = 307,614,389.10 × 189,504,905.80
  4. Step 4: Simplify right side
    205,076,259.40x = 58,294,435,829,120,056
  5. Step 5: Solve for x
    x = 58,294,435,829,120,056/205,076,259.40
  6. Step 6: Final answer
    x = 284,257,358.70

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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.