Home / 57,095,819.67-78,792,310.80-30,990,342.83

Finding the Fourth Proportional to 57,095,819.67, 78,792,310.80 and 30,990,342.83

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Solution

The fourth proportional to 57,095,819.67, 78,792,310.80 and 30,990,342.83 is: 42,766,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095,819.67 : 78,792,310.80 = 30,990,342.83 : x
  2. Step 2: Convert to fraction form
    57,095,819.67/78,792,310.80 = 30,990,342.83/x
  3. Step 3: Cross multiply
    57,095,819.67x = 78,792,310.80 × 30,990,342.83
  4. Step 4: Simplify right side
    57,095,819.67x = 2,441,800,724,059,911.50
  5. Step 5: Solve for x
    x = 2,441,800,724,059,911.50/57,095,819.67
  6. Step 6: Final answer
    x = 42,766,716.34

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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.