Home / 216,883,265.65-325,335,361.28-71,313,604.13

Finding the Fourth Proportional to 216,883,265.65, 325,335,361.28 and 71,313,604.13

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Solution

The fourth proportional to 216,883,265.65, 325,335,361.28 and 71,313,604.13 is: 106,973,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,883,265.65 : 325,335,361.28 = 71,313,604.13 : x
  2. Step 2: Convert to fraction form
    216,883,265.65/325,335,361.28 = 71,313,604.13/x
  3. Step 3: Cross multiply
    216,883,265.65x = 325,335,361.28 × 71,313,604.13
  4. Step 4: Simplify right side
    216,883,265.65x = 23,200,837,164,269,216
  5. Step 5: Solve for x
    x = 23,200,837,164,269,216/216,883,265.65
  6. Step 6: Final answer
    x = 106,973,846.48

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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.