Home / 313,096,880.38-432,078,898.68-171,981,148.98

Finding the Fourth Proportional to 313,096,880.38, 432,078,898.68 and 171,981,148.98

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Solution

The fourth proportional to 313,096,880.38, 432,078,898.68 and 171,981,148.98 is: 237,336,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,096,880.38 : 432,078,898.68 = 171,981,148.98 : x
  2. Step 2: Convert to fraction form
    313,096,880.38/432,078,898.68 = 171,981,148.98/x
  3. Step 3: Cross multiply
    313,096,880.38x = 432,078,898.68 × 171,981,148.98
  4. Step 4: Simplify right side
    313,096,880.38x = 74,309,425,444,999,408
  5. Step 5: Solve for x
    x = 74,309,425,444,999,408/313,096,880.38
  6. Step 6: Final answer
    x = 237,336,843.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.