Home / 154,405,798.80-231,608,698.20-52,168,360.20

Finding the Fourth Proportional to 154,405,798.80, 231,608,698.20 and 52,168,360.20

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Solution

The fourth proportional to 154,405,798.80, 231,608,698.20 and 52,168,360.20 is: 78,252,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,405,798.80 : 231,608,698.20 = 52,168,360.20 : x
  2. Step 2: Convert to fraction form
    154,405,798.80/231,608,698.20 = 52,168,360.20/x
  3. Step 3: Cross multiply
    154,405,798.80x = 231,608,698.20 × 52,168,360.20
  4. Step 4: Simplify right side
    154,405,798.80x = 12,082,645,993,150,692
  5. Step 5: Solve for x
    x = 12,082,645,993,150,692/154,405,798.80
  6. Step 6: Final answer
    x = 78,252,540.30

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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.