Home / 259,962,473.32-358,787,729.64-165,917,215.96

Finding the Fourth Proportional to 259,962,473.32, 358,787,729.64 and 165,917,215.96

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Solution

The fourth proportional to 259,962,473.32, 358,787,729.64 and 165,917,215.96 is: 228,990,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,962,473.32 : 358,787,729.64 = 165,917,215.96 : x
  2. Step 2: Convert to fraction form
    259,962,473.32/358,787,729.64 = 165,917,215.96/x
  3. Step 3: Cross multiply
    259,962,473.32x = 358,787,729.64 × 165,917,215.96
  4. Step 4: Simplify right side
    259,962,473.32x = 59,529,061,222,203,200
  5. Step 5: Solve for x
    x = 59,529,061,222,203,200/259,962,473.32
  6. Step 6: Final answer
    x = 228,990,978.82

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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.