Home / 213,873,665.63-295,138,021.07-121,052,180.57

Finding the Fourth Proportional to 213,873,665.63, 295,138,021.07 and 121,052,180.57

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Solution

The fourth proportional to 213,873,665.63, 295,138,021.07 and 121,052,180.57 is: 167,047,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,873,665.63 : 295,138,021.07 = 121,052,180.57 : x
  2. Step 2: Convert to fraction form
    213,873,665.63/295,138,021.07 = 121,052,180.57/x
  3. Step 3: Cross multiply
    213,873,665.63x = 295,138,021.07 × 121,052,180.57
  4. Step 4: Simplify right side
    213,873,665.63x = 35,727,101,017,557,152
  5. Step 5: Solve for x
    x = 35,727,101,017,557,152/213,873,665.63
  6. Step 6: Final answer
    x = 167,047,686.37

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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.