Home / 126,212,793.32-189,379,146.13-87,410,957.31

Finding the Fourth Proportional to 126,212,793.32, 189,379,146.13 and 87,410,957.31

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Solution

The fourth proportional to 126,212,793.32, 189,379,146.13 and 87,410,957.31 is: 131,157,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,212,793.32 : 189,379,146.13 = 87,410,957.31 : x
  2. Step 2: Convert to fraction form
    126,212,793.32/189,379,146.13 = 87,410,957.31/x
  3. Step 3: Cross multiply
    126,212,793.32x = 189,379,146.13 × 87,410,957.31
  4. Step 4: Simplify right side
    126,212,793.32x = 16,553,812,457,555,154
  5. Step 5: Solve for x
    x = 16,553,812,457,555,154/126,212,793.32
  6. Step 6: Final answer
    x = 131,157,959.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.