Home / 80,447,108.60-120,670,662.90-74,148,548.60

Finding the Fourth Proportional to 80,447,108.60, 120,670,662.90 and 74,148,548.60

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Solution

The fourth proportional to 80,447,108.60, 120,670,662.90 and 74,148,548.60 is: 111,222,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,447,108.60 : 120,670,662.90 = 74,148,548.60 : x
  2. Step 2: Convert to fraction form
    80,447,108.60/120,670,662.90 = 74,148,548.60/x
  3. Step 3: Cross multiply
    80,447,108.60x = 120,670,662.90 × 74,148,548.60
  4. Step 4: Simplify right side
    80,447,108.60x = 8,947,554,512,634,867
  5. Step 5: Solve for x
    x = 8,947,554,512,634,867/80,447,108.60
  6. Step 6: Final answer
    x = 111,222,822.90

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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.