Home / 43,995,500.80-66,016,870.80-18,439,093.60

Finding the Fourth Proportional to 43,995,500.80, 66,016,870.80 and 18,439,093.60

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Solution

The fourth proportional to 43,995,500.80, 66,016,870.80 and 18,439,093.60 is: 27,668,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,995,500.80 : 66,016,870.80 = 18,439,093.60 : x
  2. Step 2: Convert to fraction form
    43,995,500.80/66,016,870.80 = 18,439,093.60/x
  3. Step 3: Cross multiply
    43,995,500.80x = 66,016,870.80 × 18,439,093.60
  4. Step 4: Simplify right side
    43,995,500.80x = 1,217,291,259,860,307
  5. Step 5: Solve for x
    x = 1,217,291,259,860,307/43,995,500.80
  6. Step 6: Final answer
    x = 27,668,539.69

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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.