Home / 67,070,336.35-100,605,378.96-21,015,731.08

Finding the Fourth Proportional to 67,070,336.35, 100,605,378.96 and 21,015,731.08

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Solution

The fourth proportional to 67,070,336.35, 100,605,378.96 and 21,015,731.08 is: 31,523,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070,336.35 : 100,605,378.96 = 21,015,731.08 : x
  2. Step 2: Convert to fraction form
    67,070,336.35/100,605,378.96 = 21,015,731.08/x
  3. Step 3: Cross multiply
    67,070,336.35x = 100,605,378.96 × 21,015,731.08
  4. Step 4: Simplify right side
    67,070,336.35x = 2,114,295,589,424,849.75
  5. Step 5: Solve for x
    x = 2,114,295,589,424,849.75/67,070,336.35
  6. Step 6: Final answer
    x = 31,523,557.28

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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.