Home / 248,086,820.88-342,379,828.44-142,250,084.28

Finding the Fourth Proportional to 248,086,820.88, 342,379,828.44 and 142,250,084.28

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Solution

The fourth proportional to 248,086,820.88, 342,379,828.44 and 142,250,084.28 is: 196,316,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,086,820.88 : 342,379,828.44 = 142,250,084.28 : x
  2. Step 2: Convert to fraction form
    248,086,820.88/342,379,828.44 = 142,250,084.28/x
  3. Step 3: Cross multiply
    248,086,820.88x = 342,379,828.44 × 142,250,084.28
  4. Step 4: Simplify right side
    248,086,820.88x = 48,703,559,451,361,944
  5. Step 5: Solve for x
    x = 48,703,559,451,361,944/248,086,820.88
  6. Step 6: Final answer
    x = 196,316,593.03

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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.