Home / 299,025,123.79-412,654,747.05-165,063,116.51

Finding the Fourth Proportional to 299,025,123.79, 412,654,747.05 and 165,063,116.51

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Solution

The fourth proportional to 299,025,123.79, 412,654,747.05 and 165,063,116.51 is: 227,787,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,025,123.79 : 412,654,747.05 = 165,063,116.51 : x
  2. Step 2: Convert to fraction form
    299,025,123.79/412,654,747.05 = 165,063,116.51/x
  3. Step 3: Cross multiply
    299,025,123.79x = 412,654,747.05 × 165,063,116.51
  4. Step 4: Simplify right side
    299,025,123.79x = 68,114,078,590,718,728
  5. Step 5: Solve for x
    x = 68,114,078,590,718,728/299,025,123.79
  6. Step 6: Final answer
    x = 227,787,142.86

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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.