Home / 179,808,321.46-247,998,754.32-154,732,695.68

Finding the Fourth Proportional to 179,808,321.46, 247,998,754.32 and 154,732,695.68

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Solution

The fourth proportional to 179,808,321.46, 247,998,754.32 and 154,732,695.68 is: 213,413,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,808,321.46 : 247,998,754.32 = 154,732,695.68 : x
  2. Step 2: Convert to fraction form
    179,808,321.46/247,998,754.32 = 154,732,695.68/x
  3. Step 3: Cross multiply
    179,808,321.46x = 247,998,754.32 × 154,732,695.68
  4. Step 4: Simplify right side
    179,808,321.46x = 38,373,515,780,325,400
  5. Step 5: Solve for x
    x = 38,373,515,780,325,400/179,808,321.46
  6. Step 6: Final answer
    x = 213,413,458.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.