Home / 206,511,751.10-309,050,181.30-189,293,062.70

Finding the Fourth Proportional to 206,511,751.10, 309,050,181.30 and 189,293,062.70

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Solution

The fourth proportional to 206,511,751.10, 309,050,181.30 and 189,293,062.70 is: 283,281,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,511,751.10 : 309,050,181.30 = 189,293,062.70 : x
  2. Step 2: Convert to fraction form
    206,511,751.10/309,050,181.30 = 189,293,062.70/x
  3. Step 3: Cross multiply
    206,511,751.10x = 309,050,181.30 × 189,293,062.70
  4. Step 4: Simplify right side
    206,511,751.10x = 58,501,055,346,267,264
  5. Step 5: Solve for x
    x = 58,501,055,346,267,264/206,511,751.10
  6. Step 6: Final answer
    x = 283,281,968.39

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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.