Home / 290,304,024.40-400,619,375.40-159,923,832.40

Finding the Fourth Proportional to 290,304,024.40, 400,619,375.40 and 159,923,832.40

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Solution

The fourth proportional to 290,304,024.40, 400,619,375.40 and 159,923,832.40 is: 220,694,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,304,024.40 : 400,619,375.40 = 159,923,832.40 : x
  2. Step 2: Convert to fraction form
    290,304,024.40/400,619,375.40 = 159,923,832.40/x
  3. Step 3: Cross multiply
    290,304,024.40x = 400,619,375.40 × 159,923,832.40
  4. Step 4: Simplify right side
    290,304,024.40x = 64,068,585,847,662,280
  5. Step 5: Solve for x
    x = 64,068,585,847,662,280/290,304,024.40
  6. Step 6: Final answer
    x = 220,694,790.50

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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.