Home / 232,590,662.10-320,977,266.32-128,172,470.22

Finding the Fourth Proportional to 232,590,662.10, 320,977,266.32 and 128,172,470.22

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Solution

The fourth proportional to 232,590,662.10, 320,977,266.32 and 128,172,470.22 is: 176,879,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,590,662.10 : 320,977,266.32 = 128,172,470.22 : x
  2. Step 2: Convert to fraction form
    232,590,662.10/320,977,266.32 = 128,172,470.22/x
  3. Step 3: Cross multiply
    232,590,662.10x = 320,977,266.32 × 128,172,470.22
  4. Step 4: Simplify right side
    232,590,662.10x = 41,140,449,109,017,640
  5. Step 5: Solve for x
    x = 41,140,449,109,017,640/232,590,662.10
  6. Step 6: Final answer
    x = 176,879,195.14

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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.