Home / 198,071,053.78-273,339,044.58-123,774,756.34

Finding the Fourth Proportional to 198,071,053.78, 273,339,044.58 and 123,774,756.34

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Solution

The fourth proportional to 198,071,053.78, 273,339,044.58 and 123,774,756.34 is: 170,809,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,071,053.78 : 273,339,044.58 = 123,774,756.34 : x
  2. Step 2: Convert to fraction form
    198,071,053.78/273,339,044.58 = 123,774,756.34/x
  3. Step 3: Cross multiply
    198,071,053.78x = 273,339,044.58 × 123,774,756.34
  4. Step 4: Simplify right side
    198,071,053.78x = 33,832,473,641,097,896
  5. Step 5: Solve for x
    x = 33,832,473,641,097,896/198,071,053.78
  6. Step 6: Final answer
    x = 170,809,782.63

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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.