Home / 387,635,102.88-581,383,616.24-154,446,271.60

Finding the Fourth Proportional to 387,635,102.88, 581,383,616.24 and 154,446,271.60

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Solution

The fourth proportional to 387,635,102.88, 581,383,616.24 and 154,446,271.60 is: 231,641,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,635,102.88 : 581,383,616.24 = 154,446,271.60 : x
  2. Step 2: Convert to fraction form
    387,635,102.88/581,383,616.24 = 154,446,271.60/x
  3. Step 3: Cross multiply
    387,635,102.88x = 581,383,616.24 × 154,446,271.60
  4. Step 4: Simplify right side
    387,635,102.88x = 89,792,531,897,593,216
  5. Step 5: Solve for x
    x = 89,792,531,897,593,216/387,635,102.88
  6. Step 6: Final answer
    x = 231,641,900.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.