Home / 67,380,976.47-92,985,809.53-36,441,145.75

Finding the Fourth Proportional to 67,380,976.47, 92,985,809.53 and 36,441,145.75

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Solution

The fourth proportional to 67,380,976.47, 92,985,809.53 and 36,441,145.75 is: 50,288,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,380,976.47 : 92,985,809.53 = 36,441,145.75 : x
  2. Step 2: Convert to fraction form
    67,380,976.47/92,985,809.53 = 36,441,145.75/x
  3. Step 3: Cross multiply
    67,380,976.47x = 92,985,809.53 × 36,441,145.75
  4. Step 4: Simplify right side
    67,380,976.47x = 3,388,509,438,268,624.50
  5. Step 5: Solve for x
    x = 3,388,509,438,268,624.50/67,380,976.47
  6. Step 6: Final answer
    x = 50,288,814.67

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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.