Home / 188,291,994.72-259,913,438.48-141,384,573.20

Finding the Fourth Proportional to 188,291,994.72, 259,913,438.48 and 141,384,573.20

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Solution

The fourth proportional to 188,291,994.72, 259,913,438.48 and 141,384,573.20 is: 195,163,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,291,994.72 : 259,913,438.48 = 141,384,573.20 : x
  2. Step 2: Convert to fraction form
    188,291,994.72/259,913,438.48 = 141,384,573.20/x
  3. Step 3: Cross multiply
    188,291,994.72x = 259,913,438.48 × 141,384,573.20
  4. Step 4: Simplify right side
    188,291,994.72x = 36,747,750,568,439,256
  5. Step 5: Solve for x
    x = 36,747,750,568,439,256/188,291,994.72
  6. Step 6: Final answer
    x = 195,163,637.32

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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.