Home / 279,080,217.69-418,588,384.73-74,624,236.17

Finding the Fourth Proportional to 279,080,217.69, 418,588,384.73 and 74,624,236.17

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Solution

The fourth proportional to 279,080,217.69, 418,588,384.73 and 74,624,236.17 is: 111,927,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,080,217.69 : 418,588,384.73 = 74,624,236.17 : x
  2. Step 2: Convert to fraction form
    279,080,217.69/418,588,384.73 = 74,624,236.17/x
  3. Step 3: Cross multiply
    279,080,217.69x = 418,588,384.73 × 74,624,236.17
  4. Step 4: Simplify right side
    279,080,217.69x = 31,236,838,479,737,224
  5. Step 5: Solve for x
    x = 31,236,838,479,737,224/279,080,217.69
  6. Step 6: Final answer
    x = 111,927,813.22

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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.