Home / 213,873,676.40-295,138,036.32-121,052,190.80

Finding the Fourth Proportional to 213,873,676.40, 295,138,036.32 and 121,052,190.80

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Solution

The fourth proportional to 213,873,676.40, 295,138,036.32 and 121,052,190.80 is: 167,047,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,873,676.40 : 295,138,036.32 = 121,052,190.80 : x
  2. Step 2: Convert to fraction form
    213,873,676.40/295,138,036.32 = 121,052,190.80/x
  3. Step 3: Cross multiply
    213,873,676.40x = 295,138,036.32 × 121,052,190.80
  4. Step 4: Simplify right side
    213,873,676.40x = 35,727,105,884,945,968
  5. Step 5: Solve for x
    x = 35,727,105,884,945,968/213,873,676.40
  6. Step 6: Final answer
    x = 167,047,700.71

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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.