Home / 73,076,872.17-109,615,266.33-68,234,121.54

Finding the Fourth Proportional to 73,076,872.17, 109,615,266.33 and 68,234,121.54

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Solution

The fourth proportional to 73,076,872.17, 109,615,266.33 and 68,234,121.54 is: 102,351,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,076,872.17 : 109,615,266.33 = 68,234,121.54 : x
  2. Step 2: Convert to fraction form
    73,076,872.17/109,615,266.33 = 68,234,121.54/x
  3. Step 3: Cross multiply
    73,076,872.17x = 109,615,266.33 × 68,234,121.54
  4. Step 4: Simplify right side
    73,076,872.17x = 7,479,501,405,400,690
  5. Step 5: Solve for x
    x = 7,479,501,405,400,690/73,076,872.17
  6. Step 6: Final answer
    x = 102,351,143.16

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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.