Home / 315,561,882.74-435,467,044.70-176,333,788.58

Finding the Fourth Proportional to 315,561,882.74, 435,467,044.70 and 176,333,788.58

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Solution

The fourth proportional to 315,561,882.74, 435,467,044.70 and 176,333,788.58 is: 243,335,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,561,882.74 : 435,467,044.70 = 176,333,788.58 : x
  2. Step 2: Convert to fraction form
    315,561,882.74/435,467,044.70 = 176,333,788.58/x
  3. Step 3: Cross multiply
    315,561,882.74x = 435,467,044.70 × 176,333,788.58
  4. Step 4: Simplify right side
    315,561,882.74x = 76,787,553,790,628,192
  5. Step 5: Solve for x
    x = 76,787,553,790,628,192/315,561,882.74
  6. Step 6: Final answer
    x = 243,335,960.37

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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.