Home / 279,928,939.04-420,438,296.88-228,151,801.52

Finding the Fourth Proportional to 279,928,939.04, 420,438,296.88 and 228,151,801.52

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Solution

The fourth proportional to 279,928,939.04, 420,438,296.88 and 228,151,801.52 is: 342,671,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,928,939.04 : 420,438,296.88 = 228,151,801.52 : x
  2. Step 2: Convert to fraction form
    279,928,939.04/420,438,296.88 = 228,151,801.52/x
  3. Step 3: Cross multiply
    279,928,939.04x = 420,438,296.88 × 228,151,801.52
  4. Step 4: Simplify right side
    279,928,939.04x = 95,923,754,861,172,592
  5. Step 5: Solve for x
    x = 95,923,754,861,172,592/279,928,939.04
  6. Step 6: Final answer
    x = 342,671,805.17

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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.