Home / 289,471,788.28-433,851,949.10-133,815,044.44

Finding the Fourth Proportional to 289,471,788.28, 433,851,949.10 and 133,815,044.44

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Solution

The fourth proportional to 289,471,788.28, 433,851,949.10 and 133,815,044.44 is: 200,558,120.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,471,788.28 : 433,851,949.10 = 133,815,044.44 : x
  2. Step 2: Convert to fraction form
    289,471,788.28/433,851,949.10 = 133,815,044.44/x
  3. Step 3: Cross multiply
    289,471,788.28x = 433,851,949.10 × 133,815,044.44
  4. Step 4: Simplify right side
    289,471,788.28x = 58,055,917,849,197,120
  5. Step 5: Solve for x
    x = 58,055,917,849,197,120/289,471,788.28
  6. Step 6: Final answer
    x = 200,558,120.69

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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.