Home / 313,096,878.87-432,078,896.61-171,981,147.48

Finding the Fourth Proportional to 313,096,878.87, 432,078,896.61 and 171,981,147.48

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Solution

The fourth proportional to 313,096,878.87, 432,078,896.61 and 171,981,147.48 is: 237,336,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,096,878.87 : 432,078,896.61 = 171,981,147.48 : x
  2. Step 2: Convert to fraction form
    313,096,878.87/432,078,896.61 = 171,981,147.48/x
  3. Step 3: Cross multiply
    313,096,878.87x = 432,078,896.61 × 171,981,147.48
  4. Step 4: Simplify right side
    313,096,878.87x = 74,309,424,440,880,080
  5. Step 5: Solve for x
    x = 74,309,424,440,880,080/313,096,878.87
  6. Step 6: Final answer
    x = 237,336,841.90

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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.