Home / 299,058,979.75-412,684,173.31-166,889,603.05

Finding the Fourth Proportional to 299,058,979.75, 412,684,173.31 and 166,889,603.05

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Solution

The fourth proportional to 299,058,979.75, 412,684,173.31 and 166,889,603.05 is: 230,298,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,058,979.75 : 412,684,173.31 = 166,889,603.05 : x
  2. Step 2: Convert to fraction form
    299,058,979.75/412,684,173.31 = 166,889,603.05/x
  3. Step 3: Cross multiply
    299,058,979.75x = 412,684,173.31 × 166,889,603.05
  4. Step 4: Simplify right side
    299,058,979.75x = 68,872,697,866,659,880
  5. Step 5: Solve for x
    x = 68,872,697,866,659,880/299,058,979.75
  6. Step 6: Final answer
    x = 230,298,043.30

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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.