Home / 43,690,829.10-65,551,990.05-18,150,168.30

Finding the Fourth Proportional to 43,690,829.10, 65,551,990.05 and 18,150,168.30

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Solution

The fourth proportional to 43,690,829.10, 65,551,990.05 and 18,150,168.30 is: 27,231,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690,829.10 : 65,551,990.05 = 18,150,168.30 : x
  2. Step 2: Convert to fraction form
    43,690,829.10/65,551,990.05 = 18,150,168.30/x
  3. Step 3: Cross multiply
    43,690,829.10x = 65,551,990.05 × 18,150,168.30
  4. Step 4: Simplify right side
    43,690,829.10x = 1,189,779,651,807,425.50
  5. Step 5: Solve for x
    x = 1,189,779,651,807,425.50/43,690,829.10
  6. Step 6: Final answer
    x = 27,231,793.86

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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.