Home / 168,180,636.30-252,270,954.45-71,104,080.30

Finding the Fourth Proportional to 168,180,636.30, 252,270,954.45 and 71,104,080.30

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Solution

The fourth proportional to 168,180,636.30, 252,270,954.45 and 71,104,080.30 is: 106,656,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,180,636.30 : 252,270,954.45 = 71,104,080.30 : x
  2. Step 2: Convert to fraction form
    168,180,636.30/252,270,954.45 = 71,104,080.30/x
  3. Step 3: Cross multiply
    168,180,636.30x = 252,270,954.45 × 71,104,080.30
  4. Step 4: Simplify right side
    168,180,636.30x = 17,937,494,202,570,440
  5. Step 5: Solve for x
    x = 17,937,494,202,570,440/168,180,636.30
  6. Step 6: Final answer
    x = 106,656,120.45

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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.