Home / 73,076,885.18-109,615,285.82-68,234,134.54

Finding the Fourth Proportional to 73,076,885.18, 109,615,285.82 and 68,234,134.54

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Solution

The fourth proportional to 73,076,885.18, 109,615,285.82 and 68,234,134.54 is: 102,351,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,076,885.18 : 109,615,285.82 = 68,234,134.54 : x
  2. Step 2: Convert to fraction form
    73,076,885.18/109,615,285.82 = 68,234,134.54/x
  3. Step 3: Cross multiply
    73,076,885.18x = 109,615,285.82 × 68,234,134.54
  4. Step 4: Simplify right side
    73,076,885.18x = 7,479,504,160,282,434
  5. Step 5: Solve for x
    x = 7,479,504,160,282,434/73,076,885.18
  6. Step 6: Final answer
    x = 102,351,162.64

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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.