Home / 221,170,237.50-305,215,059.06-123,385,093.50

Finding the Fourth Proportional to 221,170,237.50, 305,215,059.06 and 123,385,093.50

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Solution

The fourth proportional to 221,170,237.50, 305,215,059.06 and 123,385,093.50 is: 170,271,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,170,237.50 : 305,215,059.06 = 123,385,093.50 : x
  2. Step 2: Convert to fraction form
    221,170,237.50/305,215,059.06 = 123,385,093.50/x
  3. Step 3: Cross multiply
    221,170,237.50x = 305,215,059.06 × 123,385,093.50
  4. Step 4: Simplify right side
    221,170,237.50x = 37,658,988,599,726,120
  5. Step 5: Solve for x
    x = 37,658,988,599,726,120/221,170,237.50
  6. Step 6: Final answer
    x = 170,271,502.28

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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.