Home / 279,963,008.10-419,944,512.15-105,085,704.04

Finding the Fourth Proportional to 279,963,008.10, 419,944,512.15 and 105,085,704.04

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Solution

The fourth proportional to 279,963,008.10, 419,944,512.15 and 105,085,704.04 is: 157,628,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,963,008.10 : 419,944,512.15 = 105,085,704.04 : x
  2. Step 2: Convert to fraction form
    279,963,008.10/419,944,512.15 = 105,085,704.04/x
  3. Step 3: Cross multiply
    279,963,008.10x = 419,944,512.15 × 105,085,704.04
  4. Step 4: Simplify right side
    279,963,008.10x = 44,130,164,715,967,216
  5. Step 5: Solve for x
    x = 44,130,164,715,967,216/279,963,008.10
  6. Step 6: Final answer
    x = 157,628,556.06

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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.