Home / 151,644,648.96-209,269,472.54-82,029,869.24

Finding the Fourth Proportional to 151,644,648.96, 209,269,472.54 and 82,029,869.24

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Solution

The fourth proportional to 151,644,648.96, 209,269,472.54 and 82,029,869.24 is: 113,201,142.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,644,648.96 : 209,269,472.54 = 82,029,869.24 : x
  2. Step 2: Convert to fraction form
    151,644,648.96/209,269,472.54 = 82,029,869.24/x
  3. Step 3: Cross multiply
    151,644,648.96x = 209,269,472.54 × 82,029,869.24
  4. Step 4: Simplify right side
    151,644,648.96x = 17,166,347,466,923,474
  5. Step 5: Solve for x
    x = 17,166,347,466,923,474/151,644,648.96
  6. Step 6: Final answer
    x = 113,201,142.17

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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.