Home / 243,055,105.92-335,386,344.96-193,621,363.20

Finding the Fourth Proportional to 243,055,105.92, 335,386,344.96 and 193,621,363.20

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Solution

The fourth proportional to 243,055,105.92, 335,386,344.96 and 193,621,363.20 is: 267,173,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,055,105.92 : 335,386,344.96 = 193,621,363.20 : x
  2. Step 2: Convert to fraction form
    243,055,105.92/335,386,344.96 = 193,621,363.20/x
  3. Step 3: Cross multiply
    243,055,105.92x = 335,386,344.96 × 193,621,363.20
  4. Step 4: Simplify right side
    243,055,105.92x = 64,937,961,309,820,640
  5. Step 5: Solve for x
    x = 64,937,961,309,820,640/243,055,105.92
  6. Step 6: Final answer
    x = 267,173,820.78

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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.