Home / 259,904,807.40-389,857,211.10-106,660,842.60

Finding the Fourth Proportional to 259,904,807.40, 389,857,211.10 and 106,660,842.60

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Solution

The fourth proportional to 259,904,807.40, 389,857,211.10 and 106,660,842.60 is: 159,991,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,904,807.40 : 389,857,211.10 = 106,660,842.60 : x
  2. Step 2: Convert to fraction form
    259,904,807.40/389,857,211.10 = 106,660,842.60/x
  3. Step 3: Cross multiply
    259,904,807.40x = 389,857,211.10 × 106,660,842.60
  4. Step 4: Simplify right side
    259,904,807.40x = 41,582,498,629,612,072
  5. Step 5: Solve for x
    x = 41,582,498,629,612,072/259,904,807.40
  6. Step 6: Final answer
    x = 159,991,263.90

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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.