Home / 269,057,983.90-371,300,015.76-145,298,650.12

Finding the Fourth Proportional to 269,057,983.90, 371,300,015.76 and 145,298,650.12

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Solution

The fourth proportional to 269,057,983.90, 371,300,015.76 and 145,298,650.12 is: 200,512,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,057,983.90 : 371,300,015.76 = 145,298,650.12 : x
  2. Step 2: Convert to fraction form
    269,057,983.90/371,300,015.76 = 145,298,650.12/x
  3. Step 3: Cross multiply
    269,057,983.90x = 371,300,015.76 × 145,298,650.12
  4. Step 4: Simplify right side
    269,057,983.90x = 53,949,391,079,462,728
  5. Step 5: Solve for x
    x = 53,949,391,079,462,728/269,057,983.90
  6. Step 6: Final answer
    x = 200,512,136.07

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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.