Home / 191,052,778.20-286,579,167.30-187,864,132.20

Finding the Fourth Proportional to 191,052,778.20, 286,579,167.30 and 187,864,132.20

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Solution

The fourth proportional to 191,052,778.20, 286,579,167.30 and 187,864,132.20 is: 281,796,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,052,778.20 : 286,579,167.30 = 187,864,132.20 : x
  2. Step 2: Convert to fraction form
    191,052,778.20/286,579,167.30 = 187,864,132.20/x
  3. Step 3: Cross multiply
    191,052,778.20x = 286,579,167.30 × 187,864,132.20
  4. Step 4: Simplify right side
    191,052,778.20x = 53,837,946,571,413,112
  5. Step 5: Solve for x
    x = 53,837,946,571,413,112/191,052,778.20
  6. Step 6: Final answer
    x = 281,796,198.30

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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.