Home / 252,173,343.60-378,260,015.40-166,009,042.80

Finding the Fourth Proportional to 252,173,343.60, 378,260,015.40 and 166,009,042.80

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Solution

The fourth proportional to 252,173,343.60, 378,260,015.40 and 166,009,042.80 is: 249,013,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,173,343.60 : 378,260,015.40 = 166,009,042.80 : x
  2. Step 2: Convert to fraction form
    252,173,343.60/378,260,015.40 = 166,009,042.80/x
  3. Step 3: Cross multiply
    252,173,343.60x = 378,260,015.40 × 166,009,042.80
  4. Step 4: Simplify right side
    252,173,343.60x = 62,794,583,086,067,256
  5. Step 5: Solve for x
    x = 62,794,583,086,067,256/252,173,343.60
  6. Step 6: Final answer
    x = 249,013,564.20

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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.