Home / 126,076,135.20-189,114,202.80-49,373,671.20

Finding the Fourth Proportional to 126,076,135.20, 189,114,202.80 and 49,373,671.20

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Solution

The fourth proportional to 126,076,135.20, 189,114,202.80 and 49,373,671.20 is: 74,060,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,076,135.20 : 189,114,202.80 = 49,373,671.20 : x
  2. Step 2: Convert to fraction form
    126,076,135.20/189,114,202.80 = 49,373,671.20/x
  3. Step 3: Cross multiply
    126,076,135.20x = 189,114,202.80 × 49,373,671.20
  4. Step 4: Simplify right side
    126,076,135.20x = 9,337,262,468,297,320
  5. Step 5: Solve for x
    x = 9,337,262,468,297,320/126,076,135.20
  6. Step 6: Final answer
    x = 74,060,506.80

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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.