Home / 161,860,022.40-242,790,033.60-112,542,297.60

Finding the Fourth Proportional to 161,860,022.40, 242,790,033.60 and 112,542,297.60

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Solution

The fourth proportional to 161,860,022.40, 242,790,033.60 and 112,542,297.60 is: 168,813,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,860,022.40 : 242,790,033.60 = 112,542,297.60 : x
  2. Step 2: Convert to fraction form
    161,860,022.40/242,790,033.60 = 112,542,297.60/x
  3. Step 3: Cross multiply
    161,860,022.40x = 242,790,033.60 × 112,542,297.60
  4. Step 4: Simplify right side
    161,860,022.40x = 27,324,148,215,725,196
  5. Step 5: Solve for x
    x = 27,324,148,215,725,196/161,860,022.40
  6. Step 6: Final answer
    x = 168,813,446.40

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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.