Home / 177,376,816.86-243,002,176.82-170,745,111.15

Finding the Fourth Proportional to 177,376,816.86, 243,002,176.82 and 170,745,111.15

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Solution

The fourth proportional to 177,376,816.86, 243,002,176.82 and 170,745,111.15 is: 233,916,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,376,816.86 : 243,002,176.82 = 170,745,111.15 : x
  2. Step 2: Convert to fraction form
    177,376,816.86/243,002,176.82 = 170,745,111.15/x
  3. Step 3: Cross multiply
    177,376,816.86x = 243,002,176.82 × 170,745,111.15
  4. Step 4: Simplify right side
    177,376,816.86x = 41,491,433,689,698,168
  5. Step 5: Solve for x
    x = 41,491,433,689,698,168/177,376,816.86
  6. Step 6: Final answer
    x = 233,916,891.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.