Home / 304,737,869.27-420,524,184.52-172,579,811.51

Finding the Fourth Proportional to 304,737,869.27, 420,524,184.52 and 172,579,811.51

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Solution

The fourth proportional to 304,737,869.27, 420,524,184.52 and 172,579,811.51 is: 238,152,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,737,869.27 : 420,524,184.52 = 172,579,811.51 : x
  2. Step 2: Convert to fraction form
    304,737,869.27/420,524,184.52 = 172,579,811.51/x
  3. Step 3: Cross multiply
    304,737,869.27x = 420,524,184.52 × 172,579,811.51
  4. Step 4: Simplify right side
    304,737,869.27x = 72,573,984,499,858,048
  5. Step 5: Solve for x
    x = 72,573,984,499,858,048/304,737,869.27
  6. Step 6: Final answer
    x = 238,152,168.86

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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.