Home / 221,763,951.82-306,072,668.88-133,658,064.49

Finding the Fourth Proportional to 221,763,951.82, 306,072,668.88 and 133,658,064.49

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Solution

The fourth proportional to 221,763,951.82, 306,072,668.88 and 133,658,064.49 is: 184,471,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,763,951.82 : 306,072,668.88 = 133,658,064.49 : x
  2. Step 2: Convert to fraction form
    221,763,951.82/306,072,668.88 = 133,658,064.49/x
  3. Step 3: Cross multiply
    221,763,951.82x = 306,072,668.88 × 133,658,064.49
  4. Step 4: Simplify right side
    221,763,951.82x = 40,909,080,515,789,456
  5. Step 5: Solve for x
    x = 40,909,080,515,789,456/221,763,951.82
  6. Step 6: Final answer
    x = 184,471,282.10

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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.