Home / 303,908,415.39-419,347,234.16-171,701,173.51

Finding the Fourth Proportional to 303,908,415.39, 419,347,234.16 and 171,701,173.51

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Solution

The fourth proportional to 303,908,415.39, 419,347,234.16 and 171,701,173.51 is: 236,921,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,908,415.39 : 419,347,234.16 = 171,701,173.51 : x
  2. Step 2: Convert to fraction form
    303,908,415.39/419,347,234.16 = 171,701,173.51/x
  3. Step 3: Cross multiply
    303,908,415.39x = 419,347,234.16 × 171,701,173.51
  4. Step 4: Simplify right side
    303,908,415.39x = 72,002,412,213,444,760
  5. Step 5: Solve for x
    x = 72,002,412,213,444,760/303,908,415.39
  6. Step 6: Final answer
    x = 236,921,416.35

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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.