Home / 168,494,996.40-252,742,494.60-141,285,217.20

Finding the Fourth Proportional to 168,494,996.40, 252,742,494.60 and 141,285,217.20

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Solution

The fourth proportional to 168,494,996.40, 252,742,494.60 and 141,285,217.20 is: 211,927,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,494,996.40 : 252,742,494.60 = 141,285,217.20 : x
  2. Step 2: Convert to fraction form
    168,494,996.40/252,742,494.60 = 141,285,217.20/x
  3. Step 3: Cross multiply
    168,494,996.40x = 252,742,494.60 × 141,285,217.20
  4. Step 4: Simplify right side
    168,494,996.40x = 35,708,778,245,230,824
  5. Step 5: Solve for x
    x = 35,708,778,245,230,824/168,494,996.40
  6. Step 6: Final answer
    x = 211,927,825.80

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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.