Home / 57,095,958.06-78,792,501.78-30,990,481.80

Finding the Fourth Proportional to 57,095,958.06, 78,792,501.78 and 30,990,481.80

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Solution

The fourth proportional to 57,095,958.06, 78,792,501.78 and 30,990,481.80 is: 42,766,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095,958.06 : 78,792,501.78 = 30,990,481.80 : x
  2. Step 2: Convert to fraction form
    57,095,958.06/78,792,501.78 = 30,990,481.80/x
  3. Step 3: Cross multiply
    57,095,958.06x = 78,792,501.78 × 30,990,481.80
  4. Step 4: Simplify right side
    57,095,958.06x = 2,441,817,592,389,557.50
  5. Step 5: Solve for x
    x = 2,441,817,592,389,557.50/57,095,958.06
  6. Step 6: Final answer
    x = 42,766,908.12

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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.