Home / 281,786,249.32-422,780,057.34-171,346,613.56

Finding the Fourth Proportional to 281,786,249.32, 422,780,057.34 and 171,346,613.56

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Solution

The fourth proportional to 281,786,249.32, 422,780,057.34 and 171,346,613.56 is: 257,081,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,786,249.32 : 422,780,057.34 = 171,346,613.56 : x
  2. Step 2: Convert to fraction form
    281,786,249.32/422,780,057.34 = 171,346,613.56/x
  3. Step 3: Cross multiply
    281,786,249.32x = 422,780,057.34 × 171,346,613.56
  4. Step 4: Simplify right side
    281,786,249.32x = 72,441,931,105,911,616
  5. Step 5: Solve for x
    x = 72,441,931,105,911,616/281,786,249.32
  6. Step 6: Final answer
    x = 257,081,143.17

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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.