Home / 232,590,664.26-320,977,269.31-128,172,472.38

Finding the Fourth Proportional to 232,590,664.26, 320,977,269.31 and 128,172,472.38

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Solution

The fourth proportional to 232,590,664.26, 320,977,269.31 and 128,172,472.38 is: 176,879,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,590,664.26 : 320,977,269.31 = 128,172,472.38 : x
  2. Step 2: Convert to fraction form
    232,590,664.26/320,977,269.31 = 128,172,472.38/x
  3. Step 3: Cross multiply
    232,590,664.26x = 320,977,269.31 × 128,172,472.38
  4. Step 4: Simplify right side
    232,590,664.26x = 41,140,450,184,923,368
  5. Step 5: Solve for x
    x = 41,140,450,184,923,368/232,590,664.26
  6. Step 6: Final answer
    x = 176,879,198.12

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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.