Home / 290,917,994.97-436,530,217.43-168,182,526.40

Finding the Fourth Proportional to 290,917,994.97, 436,530,217.43 and 168,182,526.40

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Solution

The fourth proportional to 290,917,994.97, 436,530,217.43 and 168,182,526.40 is: 252,362,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,917,994.97 : 436,530,217.43 = 168,182,526.40 : x
  2. Step 2: Convert to fraction form
    290,917,994.97/436,530,217.43 = 168,182,526.40/x
  3. Step 3: Cross multiply
    290,917,994.97x = 436,530,217.43 × 168,182,526.40
  4. Step 4: Simplify right side
    290,917,994.97x = 73,416,754,816,647,856
  5. Step 5: Solve for x
    x = 73,416,754,816,647,856/290,917,994.97
  6. Step 6: Final answer
    x = 252,362,370.44

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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.