Home / 407,737,718.98-611,641,808.80-112,632,735.58

Finding the Fourth Proportional to 407,737,718.98, 611,641,808.80 and 112,632,735.58

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Solution

The fourth proportional to 407,737,718.98, 611,641,808.80 and 112,632,735.58 is: 168,958,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,737,718.98 : 611,641,808.80 = 112,632,735.58 : x
  2. Step 2: Convert to fraction form
    407,737,718.98/611,641,808.80 = 112,632,735.58/x
  3. Step 3: Cross multiply
    407,737,718.98x = 611,641,808.80 × 112,632,735.58
  4. Step 4: Simplify right side
    407,737,718.98x = 68,890,890,120,243,312
  5. Step 5: Solve for x
    x = 68,890,890,120,243,312/407,737,718.98
  6. Step 6: Final answer
    x = 168,958,835.33

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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.