Home / 79,198,524.32-118,798,311.36-30,681,766.40

Finding the Fourth Proportional to 79,198,524.32, 118,798,311.36 and 30,681,766.40

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Solution

The fourth proportional to 79,198,524.32, 118,798,311.36 and 30,681,766.40 is: 46,022,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198,524.32 : 118,798,311.36 = 30,681,766.40 : x
  2. Step 2: Convert to fraction form
    79,198,524.32/118,798,311.36 = 30,681,766.40/x
  3. Step 3: Cross multiply
    79,198,524.32x = 118,798,311.36 × 30,681,766.40
  4. Step 4: Simplify right side
    79,198,524.32x = 3,644,942,037,861,986
  5. Step 5: Solve for x
    x = 3,644,942,037,861,986/79,198,524.32
  6. Step 6: Final answer
    x = 46,022,852.94

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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.