Home / 143,079,456.80-214,619,185.20-120,121,205.60

Finding the Fourth Proportional to 143,079,456.80, 214,619,185.20 and 120,121,205.60

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Solution

The fourth proportional to 143,079,456.80, 214,619,185.20 and 120,121,205.60 is: 180,181,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,079,456.80 : 214,619,185.20 = 120,121,205.60 : x
  2. Step 2: Convert to fraction form
    143,079,456.80/214,619,185.20 = 120,121,205.60/x
  3. Step 3: Cross multiply
    143,079,456.80x = 214,619,185.20 × 120,121,205.60
  4. Step 4: Simplify right side
    143,079,456.80x = 25,780,315,271,113,676
  5. Step 5: Solve for x
    x = 25,780,315,271,113,676/143,079,456.80
  6. Step 6: Final answer
    x = 180,181,808.40

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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.