Home / 305,018,837.32-457,271,103.66-132,365,587.72

Finding the Fourth Proportional to 305,018,837.32, 457,271,103.66 and 132,365,587.72

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Solution

The fourth proportional to 305,018,837.32, 457,271,103.66 and 132,365,587.72 is: 198,436,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,018,837.32 : 457,271,103.66 = 132,365,587.72 : x
  2. Step 2: Convert to fraction form
    305,018,837.32/457,271,103.66 = 132,365,587.72/x
  3. Step 3: Cross multiply
    305,018,837.32x = 457,271,103.66 × 132,365,587.72
  4. Step 4: Simplify right side
    305,018,837.32x = 60,526,958,383,328,944
  5. Step 5: Solve for x
    x = 60,526,958,383,328,944/305,018,837.32
  6. Step 6: Final answer
    x = 198,436,788.09

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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.