Home / 279,285,426.20-419,117,096.10-125,852,504.60

Finding the Fourth Proportional to 279,285,426.20, 419,117,096.10 and 125,852,504.60

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Solution

The fourth proportional to 279,285,426.20, 419,117,096.10 and 125,852,504.60 is: 188,863,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,285,426.20 : 419,117,096.10 = 125,852,504.60 : x
  2. Step 2: Convert to fraction form
    279,285,426.20/419,117,096.10 = 125,852,504.60/x
  3. Step 3: Cross multiply
    279,285,426.20x = 419,117,096.10 × 125,852,504.60
  4. Step 4: Simplify right side
    279,285,426.20x = 52,746,936,264,863,896
  5. Step 5: Solve for x
    x = 52,746,936,264,863,896/279,285,426.20
  6. Step 6: Final answer
    x = 188,863,905.23

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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.