Home / 299,058,979.25-412,684,172.62-166,889,602.55

Finding the Fourth Proportional to 299,058,979.25, 412,684,172.62 and 166,889,602.55

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Solution

The fourth proportional to 299,058,979.25, 412,684,172.62 and 166,889,602.55 is: 230,298,042.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,058,979.25 : 412,684,172.62 = 166,889,602.55 : x
  2. Step 2: Convert to fraction form
    299,058,979.25/412,684,172.62 = 166,889,602.55/x
  3. Step 3: Cross multiply
    299,058,979.25x = 412,684,172.62 × 166,889,602.55
  4. Step 4: Simplify right side
    299,058,979.25x = 68,872,697,545,163,968
  5. Step 5: Solve for x
    x = 68,872,697,545,163,968/299,058,979.25
  6. Step 6: Final answer
    x = 230,298,042.61

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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.