Home / 118,859,830.60-178,289,745.90-108,656,163.40

Finding the Fourth Proportional to 118,859,830.60, 178,289,745.90 and 108,656,163.40

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Solution

The fourth proportional to 118,859,830.60, 178,289,745.90 and 108,656,163.40 is: 162,984,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,859,830.60 : 178,289,745.90 = 108,656,163.40 : x
  2. Step 2: Convert to fraction form
    118,859,830.60/178,289,745.90 = 108,656,163.40/x
  3. Step 3: Cross multiply
    118,859,830.60x = 178,289,745.90 × 108,656,163.40
  4. Step 4: Simplify right side
    118,859,830.60x = 19,372,279,763,054,880
  5. Step 5: Solve for x
    x = 19,372,279,763,054,880/118,859,830.60
  6. Step 6: Final answer
    x = 162,984,245.10

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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.