Home / 107,936,638.20-161,848,970.10-39,744,228.60

Finding the Fourth Proportional to 107,936,638.20, 161,848,970.10 and 39,744,228.60

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Solution

The fourth proportional to 107,936,638.20, 161,848,970.10 and 39,744,228.60 is: 59,595,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,936,638.20 : 161,848,970.10 = 39,744,228.60 : x
  2. Step 2: Convert to fraction form
    107,936,638.20/161,848,970.10 = 39,744,228.60/x
  3. Step 3: Cross multiply
    107,936,638.20x = 161,848,970.10 × 39,744,228.60
  4. Step 4: Simplify right side
    107,936,638.20x = 6,432,562,466,328,965
  5. Step 5: Solve for x
    x = 6,432,562,466,328,965/107,936,638.20
  6. Step 6: Final answer
    x = 59,595,727.40

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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.