Home / 107,831,469.70-161,747,204.55-31,156,999.30

Finding the Fourth Proportional to 107,831,469.70, 161,747,204.55 and 31,156,999.30

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Solution

The fourth proportional to 107,831,469.70, 161,747,204.55 and 31,156,999.30 is: 46,735,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,831,469.70 : 161,747,204.55 = 31,156,999.30 : x
  2. Step 2: Convert to fraction form
    107,831,469.70/161,747,204.55 = 31,156,999.30/x
  3. Step 3: Cross multiply
    107,831,469.70x = 161,747,204.55 × 31,156,999.30
  4. Step 4: Simplify right side
    107,831,469.70x = 5,039,557,538,941,307
  5. Step 5: Solve for x
    x = 5,039,557,538,941,307/107,831,469.70
  6. Step 6: Final answer
    x = 46,735,498.95

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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.