Home / 304,737,860.48-420,524,172.48-172,579,802.72

Finding the Fourth Proportional to 304,737,860.48, 420,524,172.48 and 172,579,802.72

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Solution

The fourth proportional to 304,737,860.48, 420,524,172.48 and 172,579,802.72 is: 238,152,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,737,860.48 : 420,524,172.48 = 172,579,802.72 : x
  2. Step 2: Convert to fraction form
    304,737,860.48/420,524,172.48 = 172,579,802.72/x
  3. Step 3: Cross multiply
    304,737,860.48x = 420,524,172.48 × 172,579,802.72
  4. Step 4: Simplify right side
    304,737,860.48x = 72,573,978,725,589,648
  5. Step 5: Solve for x
    x = 72,573,978,725,589,648/304,737,860.48
  6. Step 6: Final answer
    x = 238,152,156.78

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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.