Home / 80,325,201.80-120,403,821.90-43,877,534.60

Finding the Fourth Proportional to 80,325,201.80, 120,403,821.90 and 43,877,534.60

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Solution

The fourth proportional to 80,325,201.80, 120,403,821.90 and 43,877,534.60 is: 65,770,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,325,201.80 : 120,403,821.90 = 43,877,534.60 : x
  2. Step 2: Convert to fraction form
    80,325,201.80/120,403,821.90 = 43,877,534.60/x
  3. Step 3: Cross multiply
    80,325,201.80x = 120,403,821.90 × 43,877,534.60
  4. Step 4: Simplify right side
    80,325,201.80x = 5,283,022,861,389,488
  5. Step 5: Solve for x
    x = 5,283,022,861,389,488/80,325,201.80
  6. Step 6: Final answer
    x = 65,770,427.50

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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.