Home / 295,555,635.20-407,879,372.80-165,175,439.36

Finding the Fourth Proportional to 295,555,635.20, 407,879,372.80 and 165,175,439.36

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Solution

The fourth proportional to 295,555,635.20, 407,879,372.80 and 165,175,439.36 is: 227,949,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,555,635.20 : 407,879,372.80 = 165,175,439.36 : x
  2. Step 2: Convert to fraction form
    295,555,635.20/407,879,372.80 = 165,175,439.36/x
  3. Step 3: Cross multiply
    295,555,635.20x = 407,879,372.80 × 165,175,439.36
  4. Step 4: Simplify right side
    295,555,635.20x = 67,371,654,608,121,240
  5. Step 5: Solve for x
    x = 67,371,654,608,121,240/295,555,635.20
  6. Step 6: Final answer
    x = 227,949,145.89

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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.