Home / 121,076,104.80-181,614,157.20-84,087,811.20

Finding the Fourth Proportional to 121,076,104.80, 181,614,157.20 and 84,087,811.20

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Solution

The fourth proportional to 121,076,104.80, 181,614,157.20 and 84,087,811.20 is: 126,131,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,076,104.80 : 181,614,157.20 = 84,087,811.20 : x
  2. Step 2: Convert to fraction form
    121,076,104.80/181,614,157.20 = 84,087,811.20/x
  3. Step 3: Cross multiply
    121,076,104.80x = 181,614,157.20 × 84,087,811.20
  4. Step 4: Simplify right side
    121,076,104.80x = 15,271,536,961,880,720
  5. Step 5: Solve for x
    x = 15,271,536,961,880,720/121,076,104.80
  6. Step 6: Final answer
    x = 126,131,716.80

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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.