Home / 206,341,764.45-284,751,625.32-113,520,279.39

Finding the Fourth Proportional to 206,341,764.45, 284,751,625.32 and 113,520,279.39

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Solution

The fourth proportional to 206,341,764.45, 284,751,625.32 and 113,520,279.39 is: 156,657,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,341,764.45 : 284,751,625.32 = 113,520,279.39 : x
  2. Step 2: Convert to fraction form
    206,341,764.45/284,751,625.32 = 113,520,279.39/x
  3. Step 3: Cross multiply
    206,341,764.45x = 284,751,625.32 × 113,520,279.39
  4. Step 4: Simplify right side
    206,341,764.45x = 32,325,084,063,082,996
  5. Step 5: Solve for x
    x = 32,325,084,063,082,996/206,341,764.45
  6. Step 6: Final answer
    x = 156,657,980.27

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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.