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Finding the Fourth Proportional to 360,094,992.21, 540,142,494.80 and 87,463,922.13

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Solution

The fourth proportional to 360,094,992.21, 540,142,494.80 and 87,463,922.13 is: 131,195,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,094,992.21 : 540,142,494.80 = 87,463,922.13 : x
  2. Step 2: Convert to fraction form
    360,094,992.21/540,142,494.80 = 87,463,922.13/x
  3. Step 3: Cross multiply
    360,094,992.21x = 540,142,494.80 × 87,463,922.13
  4. Step 4: Simplify right side
    360,094,992.21x = 47,242,981,103,853,800
  5. Step 5: Solve for x
    x = 47,242,981,103,853,800/360,094,992.21
  6. Step 6: Final answer
    x = 131,195,884.77

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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.