Home / 187,272,003.70-280,908,005.55-164,597,187.70

Finding the Fourth Proportional to 187,272,003.70, 280,908,005.55 and 164,597,187.70

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Solution

The fourth proportional to 187,272,003.70, 280,908,005.55 and 164,597,187.70 is: 246,895,781.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,003.70 : 280,908,005.55 = 164,597,187.70 : x
  2. Step 2: Convert to fraction form
    187,272,003.70/280,908,005.55 = 164,597,187.70/x
  3. Step 3: Cross multiply
    187,272,003.70x = 280,908,005.55 × 164,597,187.70
  4. Step 4: Simplify right side
    187,272,003.70x = 46,236,667,715,945,992
  5. Step 5: Solve for x
    x = 46,236,667,715,945,992/187,272,003.70
  6. Step 6: Final answer
    x = 246,895,781.55

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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.