Home / 154,912,054.73-213,782,469.03-84,351,533.18

Finding the Fourth Proportional to 154,912,054.73, 213,782,469.03 and 84,351,533.18

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Solution

The fourth proportional to 154,912,054.73, 213,782,469.03 and 84,351,533.18 is: 116,407,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,912,054.73 : 213,782,469.03 = 84,351,533.18 : x
  2. Step 2: Convert to fraction form
    154,912,054.73/213,782,469.03 = 84,351,533.18/x
  3. Step 3: Cross multiply
    154,912,054.73x = 213,782,469.03 × 84,351,533.18
  4. Step 4: Simplify right side
    154,912,054.73x = 18,032,879,028,617,456
  5. Step 5: Solve for x
    x = 18,032,879,028,617,456/154,912,054.73
  6. Step 6: Final answer
    x = 116,407,203.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.