Home / 279,080,250-418,588,433.28-74,624,268.48

Finding the Fourth Proportional to 279,080,250, 418,588,433.28 and 74,624,268.48

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Solution

The fourth proportional to 279,080,250, 418,588,433.28 and 74,624,268.48 is: 111,927,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,080,250 : 418,588,433.28 = 74,624,268.48 : x
  2. Step 2: Convert to fraction form
    279,080,250/418,588,433.28 = 74,624,268.48/x
  3. Step 3: Cross multiply
    279,080,250x = 418,588,433.28 × 74,624,268.48
  4. Step 4: Simplify right side
    279,080,250x = 31,236,855,627,709,288
  5. Step 5: Solve for x
    x = 31,236,855,627,709,288/279,080,250
  6. Step 6: Final answer
    x = 111,927,861.71

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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.