Home / 221,199,129.64-331,798,859.70-75,633,789.88

Finding the Fourth Proportional to 221,199,129.64, 331,798,859.70 and 75,633,789.88

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Solution

The fourth proportional to 221,199,129.64, 331,798,859.70 and 75,633,789.88 is: 113,450,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,199,129.64 : 331,798,859.70 = 75,633,789.88 : x
  2. Step 2: Convert to fraction form
    221,199,129.64/331,798,859.70 = 75,633,789.88/x
  3. Step 3: Cross multiply
    221,199,129.64x = 331,798,859.70 × 75,633,789.88
  4. Step 4: Simplify right side
    221,199,129.64x = 25,095,205,236,973,396
  5. Step 5: Solve for x
    x = 25,095,205,236,973,396/221,199,129.64
  6. Step 6: Final answer
    x = 113,450,741.32

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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.