Home / 239,152,912.20-358,729,368.30-181,332,131.40

Finding the Fourth Proportional to 239,152,912.20, 358,729,368.30 and 181,332,131.40

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Solution

The fourth proportional to 239,152,912.20, 358,729,368.30 and 181,332,131.40 is: 271,998,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,152,912.20 : 358,729,368.30 = 181,332,131.40 : x
  2. Step 2: Convert to fraction form
    239,152,912.20/358,729,368.30 = 181,332,131.40/x
  3. Step 3: Cross multiply
    239,152,912.20x = 358,729,368.30 × 181,332,131.40
  4. Step 4: Simplify right side
    239,152,912.20x = 65,049,160,949,614,600
  5. Step 5: Solve for x
    x = 65,049,160,949,614,600/239,152,912.20
  6. Step 6: Final answer
    x = 271,998,197.10

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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.