Home / 206,118,651.68-284,442,062.64-113,298,172.64

Finding the Fourth Proportional to 206,118,651.68, 284,442,062.64 and 113,298,172.64

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Solution

The fourth proportional to 206,118,651.68, 284,442,062.64 and 113,298,172.64 is: 156,350,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,118,651.68 : 284,442,062.64 = 113,298,172.64 : x
  2. Step 2: Convert to fraction form
    206,118,651.68/284,442,062.64 = 113,298,172.64/x
  3. Step 3: Cross multiply
    206,118,651.68x = 284,442,062.64 × 113,298,172.64
  4. Step 4: Simplify right side
    206,118,651.68x = 32,226,765,919,064,412
  5. Step 5: Solve for x
    x = 32,226,765,919,064,412/206,118,651.68
  6. Step 6: Final answer
    x = 156,350,556.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.