Home / 43,790,489.60-65,685,734.40-42,670,745.60

Finding the Fourth Proportional to 43,790,489.60, 65,685,734.40 and 42,670,745.60

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Solution

The fourth proportional to 43,790,489.60, 65,685,734.40 and 42,670,745.60 is: 64,006,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,790,489.60 : 65,685,734.40 = 42,670,745.60 : x
  2. Step 2: Convert to fraction form
    43,790,489.60/65,685,734.40 = 42,670,745.60/x
  3. Step 3: Cross multiply
    43,790,489.60x = 65,685,734.40 × 42,670,745.60
  4. Step 4: Simplify right side
    43,790,489.60x = 2,802,859,262,131,568.50
  5. Step 5: Solve for x
    x = 2,802,859,262,131,568.50/43,790,489.60
  6. Step 6: Final answer
    x = 64,006,118.40

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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.