Home / 106,542,396.40-159,813,594.60-49,146,768.40

Finding the Fourth Proportional to 106,542,396.40, 159,813,594.60 and 49,146,768.40

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Solution

The fourth proportional to 106,542,396.40, 159,813,594.60 and 49,146,768.40 is: 73,720,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,542,396.40 : 159,813,594.60 = 49,146,768.40 : x
  2. Step 2: Convert to fraction form
    106,542,396.40/159,813,594.60 = 49,146,768.40/x
  3. Step 3: Cross multiply
    106,542,396.40x = 159,813,594.60 × 49,146,768.40
  4. Step 4: Simplify right side
    106,542,396.40x = 7,854,321,720,977,690
  5. Step 5: Solve for x
    x = 7,854,321,720,977,690/106,542,396.40
  6. Step 6: Final answer
    x = 73,720,152.60

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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.