Home / 345,746,033.96-518,619,936.67-141,274,109.21

Finding the Fourth Proportional to 345,746,033.96, 518,619,936.67 and 141,274,109.21

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Solution

The fourth proportional to 345,746,033.96, 518,619,936.67 and 141,274,109.21 is: 211,911,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,746,033.96 : 518,619,936.67 = 141,274,109.21 : x
  2. Step 2: Convert to fraction form
    345,746,033.96/518,619,936.67 = 141,274,109.21/x
  3. Step 3: Cross multiply
    345,746,033.96x = 518,619,936.67 × 141,274,109.21
  4. Step 4: Simplify right side
    345,746,033.96x = 73,267,569,568,654,592
  5. Step 5: Solve for x
    x = 73,267,569,568,654,592/345,746,033.96
  6. Step 6: Final answer
    x = 211,911,525.72

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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.