Home / 274,493,345.43-411,753,260.51-90,256,742.79

Finding the Fourth Proportional to 274,493,345.43, 411,753,260.51 and 90,256,742.79

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Solution

The fourth proportional to 274,493,345.43, 411,753,260.51 and 90,256,742.79 is: 135,389,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,493,345.43 : 411,753,260.51 = 90,256,742.79 : x
  2. Step 2: Convert to fraction form
    274,493,345.43/411,753,260.51 = 90,256,742.79/x
  3. Step 3: Cross multiply
    274,493,345.43x = 411,753,260.51 × 90,256,742.79
  4. Step 4: Simplify right side
    274,493,345.43x = 37,163,508,126,343,656
  5. Step 5: Solve for x
    x = 37,163,508,126,343,656/274,493,345.43
  6. Step 6: Final answer
    x = 135,389,468.43

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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.