Home / 297,198,398.96-445,833,052.50-143,734,181.36

Finding the Fourth Proportional to 297,198,398.96, 445,833,052.50 and 143,734,181.36

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Solution

The fourth proportional to 297,198,398.96, 445,833,052.50 and 143,734,181.36 is: 215,618,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,198,398.96 : 445,833,052.50 = 143,734,181.36 : x
  2. Step 2: Convert to fraction form
    297,198,398.96/445,833,052.50 = 143,734,181.36/x
  3. Step 3: Cross multiply
    297,198,398.96x = 445,833,052.50 × 143,734,181.36
  4. Step 4: Simplify right side
    297,198,398.96x = 64,081,448,824,317,408
  5. Step 5: Solve for x
    x = 64,081,448,824,317,408/297,198,398.96
  6. Step 6: Final answer
    x = 215,618,418.70

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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.