Home / 277,054,723.20-415,307,980.80-131,231,978.40

Finding the Fourth Proportional to 277,054,723.20, 415,307,980.80 and 131,231,978.40

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Solution

The fourth proportional to 277,054,723.20, 415,307,980.80 and 131,231,978.40 is: 196,718,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,054,723.20 : 415,307,980.80 = 131,231,978.40 : x
  2. Step 2: Convert to fraction form
    277,054,723.20/415,307,980.80 = 131,231,978.40/x
  3. Step 3: Cross multiply
    277,054,723.20x = 415,307,980.80 × 131,231,978.40
  4. Step 4: Simplify right side
    277,054,723.20x = 54,501,687,965,693,216
  5. Step 5: Solve for x
    x = 54,501,687,965,693,216/277,054,723.20
  6. Step 6: Final answer
    x = 196,718,133.28

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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.