Home / 118,892,209.20-178,170,352.20-87,945,284.40

Finding the Fourth Proportional to 118,892,209.20, 178,170,352.20 and 87,945,284.40

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Solution

The fourth proportional to 118,892,209.20, 178,170,352.20 and 87,945,284.40 is: 131,793,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,892,209.20 : 178,170,352.20 = 87,945,284.40 : x
  2. Step 2: Convert to fraction form
    118,892,209.20/178,170,352.20 = 87,945,284.40/x
  3. Step 3: Cross multiply
    118,892,209.20x = 178,170,352.20 × 87,945,284.40
  4. Step 4: Simplify right side
    118,892,209.20x = 15,669,242,295,877,166
  5. Step 5: Solve for x
    x = 15,669,242,295,877,166/118,892,209.20
  6. Step 6: Final answer
    x = 131,793,684.39

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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.