Home / 218,325,497,432.15-327,494,917,840.45-74,902,513,848.20

Finding the Fourth Proportional to 218,325,497,432.15, 327,494,917,840.45 and 74,902,513,848.20

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Solution

The fourth proportional to 218,325,497,432.15, 327,494,917,840.45 and 74,902,513,848.20 is: 112,356,059,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,325,497,432.15 : 327,494,917,840.45 = 74,902,513,848.20 : x
  2. Step 2: Convert to fraction form
    218,325,497,432.15/327,494,917,840.45 = 74,902,513,848.20/x
  3. Step 3: Cross multiply
    218,325,497,432.15x = 327,494,917,840.45 × 74,902,513,848.20
  4. Step 4: Simplify right side
    218,325,497,432.15x = 24,530,192,618,759,426,932,736
  5. Step 5: Solve for x
    x = 24,530,192,618,759,426,932,736/218,325,497,432.15
  6. Step 6: Final answer
    x = 112,356,059,678.20

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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.