Home / 407,737,721.98-611,641,813.30-112,632,738.58

Finding the Fourth Proportional to 407,737,721.98, 611,641,813.30 and 112,632,738.58

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Solution

The fourth proportional to 407,737,721.98, 611,641,813.30 and 112,632,738.58 is: 168,958,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,737,721.98 : 611,641,813.30 = 112,632,738.58 : x
  2. Step 2: Convert to fraction form
    407,737,721.98/611,641,813.30 = 112,632,738.58/x
  3. Step 3: Cross multiply
    407,737,721.98x = 611,641,813.30 × 112,632,738.58
  4. Step 4: Simplify right side
    407,737,721.98x = 68,890,892,462,016,064
  5. Step 5: Solve for x
    x = 68,890,892,462,016,064/407,737,721.98
  6. Step 6: Final answer
    x = 168,958,839.83

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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.