Home / 43,809,793.60-65,752,015.20-19,585,998.40

Finding the Fourth Proportional to 43,809,793.60, 65,752,015.20 and 19,585,998.40

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Solution

The fourth proportional to 43,809,793.60, 65,752,015.20 and 19,585,998.40 is: 29,395,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,809,793.60 : 65,752,015.20 = 19,585,998.40 : x
  2. Step 2: Convert to fraction form
    43,809,793.60/65,752,015.20 = 19,585,998.40/x
  3. Step 3: Cross multiply
    43,809,793.60x = 65,752,015.20 × 19,585,998.40
  4. Step 4: Simplify right side
    43,809,793.60x = 1,287,818,864,503,975.75
  5. Step 5: Solve for x
    x = 1,287,818,864,503,975.75/43,809,793.60
  6. Step 6: Final answer
    x = 29,395,684.36

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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.