Home / 57,384,652.80-86,076,979.20-55,152,600.60

Finding the Fourth Proportional to 57,384,652.80, 86,076,979.20 and 55,152,600.60

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Solution

The fourth proportional to 57,384,652.80, 86,076,979.20 and 55,152,600.60 is: 82,728,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,384,652.80 : 86,076,979.20 = 55,152,600.60 : x
  2. Step 2: Convert to fraction form
    57,384,652.80/86,076,979.20 = 55,152,600.60/x
  3. Step 3: Cross multiply
    57,384,652.80x = 86,076,979.20 × 55,152,600.60
  4. Step 4: Simplify right side
    57,384,652.80x = 4,747,369,254,672,108
  5. Step 5: Solve for x
    x = 4,747,369,254,672,108/57,384,652.80
  6. Step 6: Final answer
    x = 82,728,900.90

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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.