Home / 154,582,923.40-231,874,385.10-147,948,440.20

Finding the Fourth Proportional to 154,582,923.40, 231,874,385.10 and 147,948,440.20

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Solution

The fourth proportional to 154,582,923.40, 231,874,385.10 and 147,948,440.20 is: 221,922,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,582,923.40 : 231,874,385.10 = 147,948,440.20 : x
  2. Step 2: Convert to fraction form
    154,582,923.40/231,874,385.10 = 147,948,440.20/x
  3. Step 3: Cross multiply
    154,582,923.40x = 231,874,385.10 × 147,948,440.20
  4. Step 4: Simplify right side
    154,582,923.40x = 34,305,453,597,879,116
  5. Step 5: Solve for x
    x = 34,305,453,597,879,116/154,582,923.40
  6. Step 6: Final answer
    x = 221,922,660.30

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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.