Home / 70,206,309.55-105,320,683.64-21,672,755.47

Finding the Fourth Proportional to 70,206,309.55, 105,320,683.64 and 21,672,755.47

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Solution

The fourth proportional to 70,206,309.55, 105,320,683.64 and 21,672,755.47 is: 32,512,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,206,309.55 : 105,320,683.64 = 21,672,755.47 : x
  2. Step 2: Convert to fraction form
    70,206,309.55/105,320,683.64 = 21,672,755.47/x
  3. Step 3: Cross multiply
    70,206,309.55x = 105,320,683.64 × 21,672,755.47
  4. Step 4: Simplify right side
    70,206,309.55x = 2,282,589,422,462,949.50
  5. Step 5: Solve for x
    x = 2,282,589,422,462,949.50/70,206,309.55
  6. Step 6: Final answer
    x = 32,512,596.62

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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.