Home / 107,831,468.70-161,747,203.05-31,156,998.30

Finding the Fourth Proportional to 107,831,468.70, 161,747,203.05 and 31,156,998.30

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Solution

The fourth proportional to 107,831,468.70, 161,747,203.05 and 31,156,998.30 is: 46,735,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,831,468.70 : 161,747,203.05 = 31,156,998.30 : x
  2. Step 2: Convert to fraction form
    107,831,468.70/161,747,203.05 = 31,156,998.30/x
  3. Step 3: Cross multiply
    107,831,468.70x = 161,747,203.05 × 31,156,998.30
  4. Step 4: Simplify right side
    107,831,468.70x = 5,039,557,330,458,605
  5. Step 5: Solve for x
    x = 5,039,557,330,458,605/107,831,468.70
  6. Step 6: Final answer
    x = 46,735,497.45

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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.