Home / 71,796,514.22-107,613,078.23-43,690,988.10

Finding the Fourth Proportional to 71,796,514.22, 107,613,078.23 and 43,690,988.10

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Solution

The fourth proportional to 71,796,514.22, 107,613,078.23 and 43,690,988.10 is: 65,486,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,796,514.22 : 107,613,078.23 = 43,690,988.10 : x
  2. Step 2: Convert to fraction form
    71,796,514.22/107,613,078.23 = 43,690,988.10/x
  3. Step 3: Cross multiply
    71,796,514.22x = 107,613,078.23 × 43,690,988.10
  4. Step 4: Simplify right side
    71,796,514.22x = 4,701,721,720,013,209
  5. Step 5: Solve for x
    x = 4,701,721,720,013,209/71,796,514.22
  6. Step 6: Final answer
    x = 65,486,768.69

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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.