Home / 412,617,112.03-618,794,357.73-136,216,862.25

Finding the Fourth Proportional to 412,617,112.03, 618,794,357.73 and 136,216,862.25

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Solution

The fourth proportional to 412,617,112.03, 618,794,357.73 and 136,216,862.25 is: 204,281,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,617,112.03 : 618,794,357.73 = 136,216,862.25 : x
  2. Step 2: Convert to fraction form
    412,617,112.03/618,794,357.73 = 136,216,862.25/x
  3. Step 3: Cross multiply
    412,617,112.03x = 618,794,357.73 × 136,216,862.25
  4. Step 4: Simplify right side
    412,617,112.03x = 84,290,225,787,984,640
  5. Step 5: Solve for x
    x = 84,290,225,787,984,640/412,617,112.03
  6. Step 6: Final answer
    x = 204,281,944.04

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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.