Home / 78,613,738.43-108,487,389.44-45,593,559.50

Finding the Fourth Proportional to 78,613,738.43, 108,487,389.44 and 45,593,559.50

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Solution

The fourth proportional to 78,613,738.43, 108,487,389.44 and 45,593,559.50 is: 62,919,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,613,738.43 : 108,487,389.44 = 45,593,559.50 : x
  2. Step 2: Convert to fraction form
    78,613,738.43/108,487,389.44 = 45,593,559.50/x
  3. Step 3: Cross multiply
    78,613,738.43x = 108,487,389.44 × 45,593,559.50
  4. Step 4: Simplify right side
    78,613,738.43x = 4,946,326,245,204,344
  5. Step 5: Solve for x
    x = 4,946,326,245,204,344/78,613,738.43
  6. Step 6: Final answer
    x = 62,919,361.73

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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.