Home / 412,617,118.16-618,794,366.91-136,216,868.37

Finding the Fourth Proportional to 412,617,118.16, 618,794,366.91 and 136,216,868.37

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Solution

The fourth proportional to 412,617,118.16, 618,794,366.91 and 136,216,868.37 is: 204,281,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,617,118.16 : 618,794,366.91 = 136,216,868.37 : x
  2. Step 2: Convert to fraction form
    412,617,118.16/618,794,366.91 = 136,216,868.37/x
  3. Step 3: Cross multiply
    412,617,118.16x = 618,794,366.91 × 136,216,868.37
  4. Step 4: Simplify right side
    412,617,118.16x = 84,290,230,825,476,960
  5. Step 5: Solve for x
    x = 84,290,230,825,476,960/412,617,118.16
  6. Step 6: Final answer
    x = 204,281,953.21

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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.