Home / 192,700,200.80-288,954,656.40-69,873,615.20

Finding the Fourth Proportional to 192,700,200.80, 288,954,656.40 and 69,873,615.20

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Solution

The fourth proportional to 192,700,200.80, 288,954,656.40 and 69,873,615.20 is: 104,775,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,700,200.80 : 288,954,656.40 = 69,873,615.20 : x
  2. Step 2: Convert to fraction form
    192,700,200.80/288,954,656.40 = 69,873,615.20/x
  3. Step 3: Cross multiply
    192,700,200.80x = 288,954,656.40 × 69,873,615.20
  4. Step 4: Simplify right side
    192,700,200.80x = 20,190,306,471,541,816
  5. Step 5: Solve for x
    x = 20,190,306,471,541,816/192,700,200.80
  6. Step 6: Final answer
    x = 104,775,741.74

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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.