Home / 281,600,055.73-388,608,940.34-156,161,084.05

Finding the Fourth Proportional to 281,600,055.73, 388,608,940.34 and 156,161,084.05

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Solution

The fourth proportional to 281,600,055.73, 388,608,940.34 and 156,161,084.05 is: 215,502,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,600,055.73 : 388,608,940.34 = 156,161,084.05 : x
  2. Step 2: Convert to fraction form
    281,600,055.73/388,608,940.34 = 156,161,084.05/x
  3. Step 3: Cross multiply
    281,600,055.73x = 388,608,940.34 × 156,161,084.05
  4. Step 4: Simplify right side
    281,600,055.73x = 60,685,593,395,016,176
  5. Step 5: Solve for x
    x = 60,685,593,395,016,176/281,600,055.73
  6. Step 6: Final answer
    x = 215,502,774.80

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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.