Home / 208,112,553.03-287,172,152.19-115,269,810.33

Finding the Fourth Proportional to 208,112,553.03, 287,172,152.19 and 115,269,810.33

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Solution

The fourth proportional to 208,112,553.03, 287,172,152.19 and 115,269,810.33 is: 159,059,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,112,553.03 : 287,172,152.19 = 115,269,810.33 : x
  2. Step 2: Convert to fraction form
    208,112,553.03/287,172,152.19 = 115,269,810.33/x
  3. Step 3: Cross multiply
    208,112,553.03x = 287,172,152.19 × 115,269,810.33
  4. Step 4: Simplify right side
    208,112,553.03x = 33,102,279,514,134,244
  5. Step 5: Solve for x
    x = 33,102,279,514,134,244/208,112,553.03
  6. Step 6: Final answer
    x = 159,059,504.26

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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.