Home / 342,124,690.38-472,135,581.26-185,492,100.30

Finding the Fourth Proportional to 342,124,690.38, 472,135,581.26 and 185,492,100.30

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Solution

The fourth proportional to 342,124,690.38, 472,135,581.26 and 185,492,100.30 is: 255,981,000.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,124,690.38 : 472,135,581.26 = 185,492,100.30 : x
  2. Step 2: Convert to fraction form
    342,124,690.38/472,135,581.26 = 185,492,100.30/x
  3. Step 3: Cross multiply
    342,124,690.38x = 472,135,581.26 × 185,492,100.30
  4. Step 4: Simplify right side
    342,124,690.38x = 87,577,420,594,278,720
  5. Step 5: Solve for x
    x = 87,577,420,594,278,720/342,124,690.38
  6. Step 6: Final answer
    x = 255,981,000.66

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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.