Home / 76,438,403.32-114,706,932.90-27,912,194.20

Finding the Fourth Proportional to 76,438,403.32, 114,706,932.90 and 27,912,194.20

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Solution

The fourth proportional to 76,438,403.32, 114,706,932.90 and 27,912,194.20 is: 41,886,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,438,403.32 : 114,706,932.90 = 27,912,194.20 : x
  2. Step 2: Convert to fraction form
    76,438,403.32/114,706,932.90 = 27,912,194.20/x
  3. Step 3: Cross multiply
    76,438,403.32x = 114,706,932.90 × 27,912,194.20
  4. Step 4: Simplify right side
    76,438,403.32x = 3,201,722,187,191,169.50
  5. Step 5: Solve for x
    x = 3,201,722,187,191,169.50/76,438,403.32
  6. Step 6: Final answer
    x = 41,886,303.85

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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.