Home / 196,812,879.20-295,387,280.40-87,805,800.80

Finding the Fourth Proportional to 196,812,879.20, 295,387,280.40 and 87,805,800.80

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Solution

The fourth proportional to 196,812,879.20, 295,387,280.40 and 87,805,800.80 is: 131,783,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,812,879.20 : 295,387,280.40 = 87,805,800.80 : x
  2. Step 2: Convert to fraction form
    196,812,879.20/295,387,280.40 = 87,805,800.80/x
  3. Step 3: Cross multiply
    196,812,879.20x = 295,387,280.40 × 87,805,800.80
  4. Step 4: Simplify right side
    196,812,879.20x = 25,936,716,701,656,140
  5. Step 5: Solve for x
    x = 25,936,716,701,656,140/196,812,879.20
  6. Step 6: Final answer
    x = 131,783,635.33

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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.