Home / 43,690,615.20-65,562,166.80-18,128,959.20

Finding the Fourth Proportional to 43,690,615.20, 65,562,166.80 and 18,128,959.20

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Solution

The fourth proportional to 43,690,615.20, 65,562,166.80 and 18,128,959.20 is: 27,204,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690,615.20 : 65,562,166.80 = 18,128,959.20 : x
  2. Step 2: Convert to fraction form
    43,690,615.20/65,562,166.80 = 18,128,959.20/x
  3. Step 3: Cross multiply
    43,690,615.20x = 65,562,166.80 × 18,128,959.20
  4. Step 4: Simplify right side
    43,690,615.20x = 1,188,573,846,980,794.50
  5. Step 5: Solve for x
    x = 1,188,573,846,980,794.50/43,690,615.20
  6. Step 6: Final answer
    x = 27,204,328.47

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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.