Home / 132,241,439.92-198,364,138.80-50,364,840.16

Finding the Fourth Proportional to 132,241,439.92, 198,364,138.80 and 50,364,840.16

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Solution

The fourth proportional to 132,241,439.92, 198,364,138.80 and 50,364,840.16 is: 75,548,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,241,439.92 : 198,364,138.80 = 50,364,840.16 : x
  2. Step 2: Convert to fraction form
    132,241,439.92/198,364,138.80 = 50,364,840.16/x
  3. Step 3: Cross multiply
    132,241,439.92x = 198,364,138.80 × 50,364,840.16
  4. Step 4: Simplify right side
    132,241,439.92x = 9,990,578,144,138,054
  5. Step 5: Solve for x
    x = 9,990,578,144,138,054/132,241,439.92
  6. Step 6: Final answer
    x = 75,548,013.92

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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.