Home / 279,937,384.40-419,906,076.60-241,642,139.60

Finding the Fourth Proportional to 279,937,384.40, 419,906,076.60 and 241,642,139.60

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Solution

The fourth proportional to 279,937,384.40, 419,906,076.60 and 241,642,139.60 is: 362,463,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,937,384.40 : 419,906,076.60 = 241,642,139.60 : x
  2. Step 2: Convert to fraction form
    279,937,384.40/419,906,076.60 = 241,642,139.60/x
  3. Step 3: Cross multiply
    279,937,384.40x = 419,906,076.60 × 241,642,139.60
  4. Step 4: Simplify right side
    279,937,384.40x = 101,467,002,780,665,504
  5. Step 5: Solve for x
    x = 101,467,002,780,665,504/279,937,384.40
  6. Step 6: Final answer
    x = 362,463,209.40

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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.