Home / 56,218,530,031.72-84,324,825,072.56-18,440,129,063.67

Finding the Fourth Proportional to 56,218,530,031.72, 84,324,825,072.56 and 18,440,129,063.67

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Solution

The fourth proportional to 56,218,530,031.72, 84,324,825,072.56 and 18,440,129,063.67 is: 27,659,219,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,218,530,031.72 : 84,324,825,072.56 = 18,440,129,063.67 : x
  2. Step 2: Convert to fraction form
    56,218,530,031.72/84,324,825,072.56 = 18,440,129,063.67/x
  3. Step 3: Cross multiply
    56,218,530,031.72x = 84,324,825,072.56 × 18,440,129,063.67
  4. Step 4: Simplify right side
    56,218,530,031.72x = 1,554,960,657,608,991,309,824
  5. Step 5: Solve for x
    x = 1,554,960,657,608,991,309,824/56,218,530,031.72
  6. Step 6: Final answer
    x = 27,659,219,419.85

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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.