Home / 272,804,747.70-409,207,121.55-163,965,630.90

Finding the Fourth Proportional to 272,804,747.70, 409,207,121.55 and 163,965,630.90

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Solution

The fourth proportional to 272,804,747.70, 409,207,121.55 and 163,965,630.90 is: 245,948,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,804,747.70 : 409,207,121.55 = 163,965,630.90 : x
  2. Step 2: Convert to fraction form
    272,804,747.70/409,207,121.55 = 163,965,630.90/x
  3. Step 3: Cross multiply
    272,804,747.70x = 409,207,121.55 × 163,965,630.90
  4. Step 4: Simplify right side
    272,804,747.70x = 67,095,903,853,718,744
  5. Step 5: Solve for x
    x = 67,095,903,853,718,744/272,804,747.70
  6. Step 6: Final answer
    x = 245,948,446.35

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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.