Home / 82,242,065.52-123,233,319-30,355,251.84

Finding the Fourth Proportional to 82,242,065.52, 123,233,319 and 30,355,251.84

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Solution

The fourth proportional to 82,242,065.52, 123,233,319 and 30,355,251.84 is: 45,484,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,242,065.52 : 123,233,319 = 30,355,251.84 : x
  2. Step 2: Convert to fraction form
    82,242,065.52/123,233,319 = 30,355,251.84/x
  3. Step 3: Cross multiply
    82,242,065.52x = 123,233,319 × 30,355,251.84
  4. Step 4: Simplify right side
    82,242,065.52x = 3,740,778,433,324,057
  5. Step 5: Solve for x
    x = 3,740,778,433,324,057/82,242,065.52
  6. Step 6: Final answer
    x = 45,484,976.69

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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.