Home / 43,989,741.20-66,016,104.60-18,449,080.40

Finding the Fourth Proportional to 43,989,741.20, 66,016,104.60 and 18,449,080.40

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Solution

The fourth proportional to 43,989,741.20, 66,016,104.60 and 18,449,080.40 is: 27,686,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,989,741.20 : 66,016,104.60 = 18,449,080.40 : x
  2. Step 2: Convert to fraction form
    43,989,741.20/66,016,104.60 = 18,449,080.40/x
  3. Step 3: Cross multiply
    43,989,741.20x = 66,016,104.60 × 18,449,080.40
  4. Step 4: Simplify right side
    43,989,741.20x = 1,217,936,421,460,209.75
  5. Step 5: Solve for x
    x = 1,217,936,421,460,209.75/43,989,741.20
  6. Step 6: Final answer
    x = 27,686,828.52

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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.