Home / 307,261,045.28-424,058,976.56-201,503,400.80

Finding the Fourth Proportional to 307,261,045.28, 424,058,976.56 and 201,503,400.80

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Solution

The fourth proportional to 307,261,045.28, 424,058,976.56 and 201,503,400.80 is: 278,100,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,261,045.28 : 424,058,976.56 = 201,503,400.80 : x
  2. Step 2: Convert to fraction form
    307,261,045.28/424,058,976.56 = 201,503,400.80/x
  3. Step 3: Cross multiply
    307,261,045.28x = 424,058,976.56 × 201,503,400.80
  4. Step 4: Simplify right side
    307,261,045.28x = 85,449,325,916,607,488
  5. Step 5: Solve for x
    x = 85,449,325,916,607,488/307,261,045.28
  6. Step 6: Final answer
    x = 278,100,095.11

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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.