Home / 213,713,976.70-320,570,965.05-123,014,712.70

Finding the Fourth Proportional to 213,713,976.70, 320,570,965.05 and 123,014,712.70

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Solution

The fourth proportional to 213,713,976.70, 320,570,965.05 and 123,014,712.70 is: 184,522,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,713,976.70 : 320,570,965.05 = 123,014,712.70 : x
  2. Step 2: Convert to fraction form
    213,713,976.70/320,570,965.05 = 123,014,712.70/x
  3. Step 3: Cross multiply
    213,713,976.70x = 320,570,965.05 × 123,014,712.70
  4. Step 4: Simplify right side
    213,713,976.70x = 39,434,945,165,587,496
  5. Step 5: Solve for x
    x = 39,434,945,165,587,496/213,713,976.70
  6. Step 6: Final answer
    x = 184,522,069.05

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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.