Home / 280,611,950.27-420,703,354.98-169,923,529.96

Finding the Fourth Proportional to 280,611,950.27, 420,703,354.98 and 169,923,529.96

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Solution

The fourth proportional to 280,611,950.27, 420,703,354.98 and 169,923,529.96 is: 254,755,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,611,950.27 : 420,703,354.98 = 169,923,529.96 : x
  2. Step 2: Convert to fraction form
    280,611,950.27/420,703,354.98 = 169,923,529.96/x
  3. Step 3: Cross multiply
    280,611,950.27x = 420,703,354.98 × 169,923,529.96
  4. Step 4: Simplify right side
    280,611,950.27x = 71,487,399,143,164,792
  5. Step 5: Solve for x
    x = 71,487,399,143,164,792/280,611,950.27
  6. Step 6: Final answer
    x = 254,755,362.61

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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.