Home / 189,179,328.50-261,067,357.86-102,259,200.50

Finding the Fourth Proportional to 189,179,328.50, 261,067,357.86 and 102,259,200.50

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Solution

The fourth proportional to 189,179,328.50, 261,067,357.86 and 102,259,200.50 is: 141,117,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,179,328.50 : 261,067,357.86 = 102,259,200.50 : x
  2. Step 2: Convert to fraction form
    189,179,328.50/261,067,357.86 = 102,259,200.50/x
  3. Step 3: Cross multiply
    189,179,328.50x = 261,067,357.86 × 102,259,200.50
  4. Step 4: Simplify right side
    189,179,328.50x = 26,696,539,291,410,992
  5. Step 5: Solve for x
    x = 26,696,539,291,410,992/189,179,328.50
  6. Step 6: Final answer
    x = 141,117,634.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.