Home / 441,143,992.80-661,740,872.40-134,446,111.20

Finding the Fourth Proportional to 441,143,992.80, 661,740,872.40 and 134,446,111.20

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Solution

The fourth proportional to 441,143,992.80, 661,740,872.40 and 134,446,111.20 is: 201,676,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,143,992.80 : 661,740,872.40 = 134,446,111.20 : x
  2. Step 2: Convert to fraction form
    441,143,992.80/661,740,872.40 = 134,446,111.20/x
  3. Step 3: Cross multiply
    441,143,992.80x = 661,740,872.40 × 134,446,111.20
  4. Step 4: Simplify right side
    441,143,992.80x = 88,968,486,916,275,392
  5. Step 5: Solve for x
    x = 88,968,486,916,275,392/441,143,992.80
  6. Step 6: Final answer
    x = 201,676,750.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.