Home / 198,071,051.78-273,339,041.82-123,774,754.34

Finding the Fourth Proportional to 198,071,051.78, 273,339,041.82 and 123,774,754.34

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Solution

The fourth proportional to 198,071,051.78, 273,339,041.82 and 123,774,754.34 is: 170,809,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,071,051.78 : 273,339,041.82 = 123,774,754.34 : x
  2. Step 2: Convert to fraction form
    198,071,051.78/273,339,041.82 = 123,774,754.34/x
  3. Step 3: Cross multiply
    198,071,051.78x = 273,339,041.82 × 123,774,754.34
  4. Step 4: Simplify right side
    198,071,051.78x = 33,832,472,752,801,488
  5. Step 5: Solve for x
    x = 33,832,472,752,801,488/198,071,051.78
  6. Step 6: Final answer
    x = 170,809,779.87

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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.