Home / 305,667,029.46-421,818,703.92-166,437,457.86

Finding the Fourth Proportional to 305,667,029.46, 421,818,703.92 and 166,437,457.86

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Solution

The fourth proportional to 305,667,029.46, 421,818,703.92 and 166,437,457.86 is: 229,682,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,667,029.46 : 421,818,703.92 = 166,437,457.86 : x
  2. Step 2: Convert to fraction form
    305,667,029.46/421,818,703.92 = 166,437,457.86/x
  3. Step 3: Cross multiply
    305,667,029.46x = 421,818,703.92 × 166,437,457.86
  4. Step 4: Simplify right side
    305,667,029.46x = 70,206,432,758,244,824
  5. Step 5: Solve for x
    x = 70,206,432,758,244,824/305,667,029.46
  6. Step 6: Final answer
    x = 229,682,713.51

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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.