Home / 121,076,092.80-181,614,139.20-84,087,799.20

Finding the Fourth Proportional to 121,076,092.80, 181,614,139.20 and 84,087,799.20

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Solution

The fourth proportional to 121,076,092.80, 181,614,139.20 and 84,087,799.20 is: 126,131,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,076,092.80 : 181,614,139.20 = 84,087,799.20 : x
  2. Step 2: Convert to fraction form
    121,076,092.80/181,614,139.20 = 84,087,799.20/x
  3. Step 3: Cross multiply
    121,076,092.80x = 181,614,139.20 × 84,087,799.20
  4. Step 4: Simplify right side
    121,076,092.80x = 15,271,533,268,930,448
  5. Step 5: Solve for x
    x = 15,271,533,268,930,448/121,076,092.80
  6. Step 6: Final answer
    x = 126,131,698.80

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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.