Home / 206,485,125.75-284,406,663.78-158,709,017.25

Finding the Fourth Proportional to 206,485,125.75, 284,406,663.78 and 158,709,017.25

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Solution

The fourth proportional to 206,485,125.75, 284,406,663.78 and 158,709,017.25 is: 218,601,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,485,125.75 : 284,406,663.78 = 158,709,017.25 : x
  2. Step 2: Convert to fraction form
    206,485,125.75/284,406,663.78 = 158,709,017.25/x
  3. Step 3: Cross multiply
    206,485,125.75x = 284,406,663.78 × 158,709,017.25
  4. Step 4: Simplify right side
    206,485,125.75x = 45,137,902,107,874,968
  5. Step 5: Solve for x
    x = 45,137,902,107,874,968/206,485,125.75
  6. Step 6: Final answer
    x = 218,601,228.27

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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.