Home / 228,179,122.20-314,894,316.78-129,057,930

Finding the Fourth Proportional to 228,179,122.20, 314,894,316.78 and 129,057,930

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Solution

The fourth proportional to 228,179,122.20, 314,894,316.78 and 129,057,930 is: 178,103,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,179,122.20 : 314,894,316.78 = 129,057,930 : x
  2. Step 2: Convert to fraction form
    228,179,122.20/314,894,316.78 = 129,057,930/x
  3. Step 3: Cross multiply
    228,179,122.20x = 314,894,316.78 × 129,057,930
  4. Step 4: Simplify right side
    228,179,122.20x = 40,639,608,692,391,064
  5. Step 5: Solve for x
    x = 40,639,608,692,391,064/228,179,122.20
  6. Step 6: Final answer
    x = 178,103,975.07

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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.