Home / 204,601,529.40-306,902,294.10-122,972,191.80

Finding the Fourth Proportional to 204,601,529.40, 306,902,294.10 and 122,972,191.80

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Solution

The fourth proportional to 204,601,529.40, 306,902,294.10 and 122,972,191.80 is: 184,458,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,601,529.40 : 306,902,294.10 = 122,972,191.80 : x
  2. Step 2: Convert to fraction form
    204,601,529.40/306,902,294.10 = 122,972,191.80/x
  3. Step 3: Cross multiply
    204,601,529.40x = 306,902,294.10 × 122,972,191.80
  4. Step 4: Simplify right side
    204,601,529.40x = 37,740,447,773,925,208
  5. Step 5: Solve for x
    x = 37,740,447,773,925,208/204,601,529.40
  6. Step 6: Final answer
    x = 184,458,287.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.