Home / 304,723,650.24-420,544,571.76-172,588,153.14

Finding the Fourth Proportional to 304,723,650.24, 420,544,571.76 and 172,588,153.14

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Solution

The fourth proportional to 304,723,650.24, 420,544,571.76 and 172,588,153.14 is: 238,186,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,723,650.24 : 420,544,571.76 = 172,588,153.14 : x
  2. Step 2: Convert to fraction form
    304,723,650.24/420,544,571.76 = 172,588,153.14/x
  3. Step 3: Cross multiply
    304,723,650.24x = 420,544,571.76 × 172,588,153.14
  4. Step 4: Simplify right side
    304,723,650.24x = 72,581,010,953,110,592
  5. Step 5: Solve for x
    x = 72,581,010,953,110,592/304,723,650.24
  6. Step 6: Final answer
    x = 238,186,339.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.