Home / 368,174,837.52-508,092,073.74-200,921,897.79

Finding the Fourth Proportional to 368,174,837.52, 508,092,073.74 and 200,921,897.79

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Solution

The fourth proportional to 368,174,837.52, 508,092,073.74 and 200,921,897.79 is: 277,278,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,174,837.52 : 508,092,073.74 = 200,921,897.79 : x
  2. Step 2: Convert to fraction form
    368,174,837.52/508,092,073.74 = 200,921,897.79/x
  3. Step 3: Cross multiply
    368,174,837.52x = 508,092,073.74 × 200,921,897.79
  4. Step 4: Simplify right side
    368,174,837.52x = 102,086,823,707,897,424
  5. Step 5: Solve for x
    x = 102,086,823,707,897,424/368,174,837.52
  6. Step 6: Final answer
    x = 277,278,111.66

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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.