Home / 187,353,049.20-281,029,573.80-164,678,233.20

Finding the Fourth Proportional to 187,353,049.20, 281,029,573.80 and 164,678,233.20

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Solution

The fourth proportional to 187,353,049.20, 281,029,573.80 and 164,678,233.20 is: 247,017,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,353,049.20 : 281,029,573.80 = 164,678,233.20 : x
  2. Step 2: Convert to fraction form
    187,353,049.20/281,029,573.80 = 164,678,233.20/x
  3. Step 3: Cross multiply
    187,353,049.20x = 281,029,573.80 × 164,678,233.20
  4. Step 4: Simplify right side
    187,353,049.20x = 46,279,453,690,333,008
  5. Step 5: Solve for x
    x = 46,279,453,690,333,008/187,353,049.20
  6. Step 6: Final answer
    x = 247,017,349.80

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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.