Home / 147,905,152.20-221,857,728.30-90,509,524.20

Finding the Fourth Proportional to 147,905,152.20, 221,857,728.30 and 90,509,524.20

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Solution

The fourth proportional to 147,905,152.20, 221,857,728.30 and 90,509,524.20 is: 135,764,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,905,152.20 : 221,857,728.30 = 90,509,524.20 : x
  2. Step 2: Convert to fraction form
    147,905,152.20/221,857,728.30 = 90,509,524.20/x
  3. Step 3: Cross multiply
    147,905,152.20x = 221,857,728.30 × 90,509,524.20
  4. Step 4: Simplify right side
    147,905,152.20x = 20,080,237,428,525,876
  5. Step 5: Solve for x
    x = 20,080,237,428,525,876/147,905,152.20
  6. Step 6: Final answer
    x = 135,764,286.30

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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.