Home / 441,179,389.20-661,769,083.80-118,063,261.20

Finding the Fourth Proportional to 441,179,389.20, 661,769,083.80 and 118,063,261.20

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Solution

The fourth proportional to 441,179,389.20, 661,769,083.80 and 118,063,261.20 is: 177,094,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,179,389.20 : 661,769,083.80 = 118,063,261.20 : x
  2. Step 2: Convert to fraction form
    441,179,389.20/661,769,083.80 = 118,063,261.20/x
  3. Step 3: Cross multiply
    441,179,389.20x = 661,769,083.80 × 118,063,261.20
  4. Step 4: Simplify right side
    441,179,389.20x = 78,130,616,194,764,080
  5. Step 5: Solve for x
    x = 78,130,616,194,764,080/441,179,389.20
  6. Step 6: Final answer
    x = 177,094,891.80

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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.