Home / 115,856,631.82-159,818,471.31-73,392,423.88

Finding the Fourth Proportional to 115,856,631.82, 159,818,471.31 and 73,392,423.88

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Solution

The fourth proportional to 115,856,631.82, 159,818,471.31 and 73,392,423.88 is: 101,241,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,856,631.82 : 159,818,471.31 = 73,392,423.88 : x
  2. Step 2: Convert to fraction form
    115,856,631.82/159,818,471.31 = 73,392,423.88/x
  3. Step 3: Cross multiply
    115,856,631.82x = 159,818,471.31 × 73,392,423.88
  4. Step 4: Simplify right side
    115,856,631.82x = 11,729,464,990,237,138
  5. Step 5: Solve for x
    x = 11,729,464,990,237,138/115,856,631.82
  6. Step 6: Final answer
    x = 101,241,204.81

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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.