Home / 45,953,846.40-68,836,291.20-31,593,129.60

Finding the Fourth Proportional to 45,953,846.40, 68,836,291.20 and 31,593,129.60

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Solution

The fourth proportional to 45,953,846.40, 68,836,291.20 and 31,593,129.60 is: 47,324,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,953,846.40 : 68,836,291.20 = 31,593,129.60 : x
  2. Step 2: Convert to fraction form
    45,953,846.40/68,836,291.20 = 31,593,129.60/x
  3. Step 3: Cross multiply
    45,953,846.40x = 68,836,291.20 × 31,593,129.60
  4. Step 4: Simplify right side
    45,953,846.40x = 2,174,753,869,064,939.75
  5. Step 5: Solve for x
    x = 2,174,753,869,064,939.75/45,953,846.40
  6. Step 6: Final answer
    x = 47,324,740.79

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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.