Home / 189,041,086.80-283,561,630.20-73,987,390.80

Finding the Fourth Proportional to 189,041,086.80, 283,561,630.20 and 73,987,390.80

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Solution

The fourth proportional to 189,041,086.80, 283,561,630.20 and 73,987,390.80 is: 110,981,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,041,086.80 : 283,561,630.20 = 73,987,390.80 : x
  2. Step 2: Convert to fraction form
    189,041,086.80/283,561,630.20 = 73,987,390.80/x
  3. Step 3: Cross multiply
    189,041,086.80x = 283,561,630.20 × 73,987,390.80
  4. Step 4: Simplify right side
    189,041,086.80x = 20,979,985,149,492,480
  5. Step 5: Solve for x
    x = 20,979,985,149,492,480/189,041,086.80
  6. Step 6: Final answer
    x = 110,981,086.20

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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.