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Finding the Fourth Proportional to 360,008,010.44, 540,008,079.06 and 87,378,777.44

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Solution

The fourth proportional to 360,008,010.44, 540,008,079.06 and 87,378,777.44 is: 131,067,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,008,010.44 : 540,008,079.06 = 87,378,777.44 : x
  2. Step 2: Convert to fraction form
    360,008,010.44/540,008,079.06 = 87,378,777.44/x
  3. Step 3: Cross multiply
    360,008,010.44x = 540,008,079.06 × 87,378,777.44
  4. Step 4: Simplify right side
    360,008,010.44x = 47,185,245,755,145,504
  5. Step 5: Solve for x
    x = 47,185,245,755,145,504/360,008,010.44
  6. Step 6: Final answer
    x = 131,067,210.69

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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.