Home / 188,291,991.72-259,913,434.34-141,384,570.20

Finding the Fourth Proportional to 188,291,991.72, 259,913,434.34 and 141,384,570.20

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Solution

The fourth proportional to 188,291,991.72, 259,913,434.34 and 141,384,570.20 is: 195,163,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,291,991.72 : 259,913,434.34 = 141,384,570.20 : x
  2. Step 2: Convert to fraction form
    188,291,991.72/259,913,434.34 = 141,384,570.20/x
  3. Step 3: Cross multiply
    188,291,991.72x = 259,913,434.34 × 141,384,570.20
  4. Step 4: Simplify right side
    188,291,991.72x = 36,747,749,203,366,816
  5. Step 5: Solve for x
    x = 36,747,749,203,366,816/188,291,991.72
  6. Step 6: Final answer
    x = 195,163,633.18

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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.