Home / 221,558,780.92-332,041,104.80-172,433,953.28

Finding the Fourth Proportional to 221,558,780.92, 332,041,104.80 and 172,433,953.28

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Solution

The fourth proportional to 221,558,780.92, 332,041,104.80 and 172,433,953.28 is: 258,419,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,558,780.92 : 332,041,104.80 = 172,433,953.28 : x
  2. Step 2: Convert to fraction form
    221,558,780.92/332,041,104.80 = 172,433,953.28/x
  3. Step 3: Cross multiply
    221,558,780.92x = 332,041,104.80 × 172,433,953.28
  4. Step 4: Simplify right side
    221,558,780.92x = 57,255,160,352,122,784
  5. Step 5: Solve for x
    x = 57,255,160,352,122,784/221,558,780.92
  6. Step 6: Final answer
    x = 258,419,730.03

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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.