Home / 196,912,884.40-295,635,265.80-115,115,585.20

Finding the Fourth Proportional to 196,912,884.40, 295,635,265.80 and 115,115,585.20

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Solution

The fourth proportional to 196,912,884.40, 295,635,265.80 and 115,115,585.20 is: 172,828,846.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,912,884.40 : 295,635,265.80 = 115,115,585.20 : x
  2. Step 2: Convert to fraction form
    196,912,884.40/295,635,265.80 = 115,115,585.20/x
  3. Step 3: Cross multiply
    196,912,884.40x = 295,635,265.80 × 115,115,585.20
  4. Step 4: Simplify right side
    196,912,884.40x = 34,032,226,628,324,548
  5. Step 5: Solve for x
    x = 34,032,226,628,324,548/196,912,884.40
  6. Step 6: Final answer
    x = 172,828,846.28

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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.