Home / 154,621,188.12-231,427,100.34-113,669,778.36

Finding the Fourth Proportional to 154,621,188.12, 231,427,100.34 and 113,669,778.36

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Solution

The fourth proportional to 154,621,188.12, 231,427,100.34 and 113,669,778.36 is: 170,133,650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,621,188.12 : 231,427,100.34 = 113,669,778.36 : x
  2. Step 2: Convert to fraction form
    154,621,188.12/231,427,100.34 = 113,669,778.36/x
  3. Step 3: Cross multiply
    154,621,188.12x = 231,427,100.34 × 113,669,778.36
  4. Step 4: Simplify right side
    154,621,188.12x = 26,306,267,202,145,280
  5. Step 5: Solve for x
    x = 26,306,267,202,145,280/154,621,188.12
  6. Step 6: Final answer
    x = 170,133,650.65

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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.