Home / 304,737,871.01-420,524,186.94-172,579,813.25

Finding the Fourth Proportional to 304,737,871.01, 420,524,186.94 and 172,579,813.25

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Solution

The fourth proportional to 304,737,871.01, 420,524,186.94 and 172,579,813.25 is: 238,152,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,737,871.01 : 420,524,186.94 = 172,579,813.25 : x
  2. Step 2: Convert to fraction form
    304,737,871.01/420,524,186.94 = 172,579,813.25/x
  3. Step 3: Cross multiply
    304,737,871.01x = 420,524,186.94 × 172,579,813.25
  4. Step 4: Simplify right side
    304,737,871.01x = 72,573,985,649,213,296
  5. Step 5: Solve for x
    x = 72,573,985,649,213,296/304,737,871.01
  6. Step 6: Final answer
    x = 238,152,171.27

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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.