Home / 73,076,882.18-109,615,281.32-68,234,131.54

Finding the Fourth Proportional to 73,076,882.18, 109,615,281.32 and 68,234,131.54

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Solution

The fourth proportional to 73,076,882.18, 109,615,281.32 and 68,234,131.54 is: 102,351,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,076,882.18 : 109,615,281.32 = 68,234,131.54 : x
  2. Step 2: Convert to fraction form
    73,076,882.18/109,615,281.32 = 68,234,131.54/x
  3. Step 3: Cross multiply
    73,076,882.18x = 109,615,281.32 × 68,234,131.54
  4. Step 4: Simplify right side
    73,076,882.18x = 7,479,503,524,382,985
  5. Step 5: Solve for x
    x = 7,479,503,524,382,985/73,076,882.18
  6. Step 6: Final answer
    x = 102,351,158.14

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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.