Home / 129,086,889,540.73-193,574,099,118.96-68,567,923,373.88

Finding the Fourth Proportional to 129,086,889,540.73, 193,574,099,118.96 and 68,567,923,373.88

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Solution

The fourth proportional to 129,086,889,540.73, 193,574,099,118.96 and 68,567,923,373.88 is: 102,822,014,247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,086,889,540.73 : 193,574,099,118.96 = 68,567,923,373.88 : x
  2. Step 2: Convert to fraction form
    129,086,889,540.73/193,574,099,118.96 = 68,567,923,373.88/x
  3. Step 3: Cross multiply
    129,086,889,540.73x = 193,574,099,118.96 × 68,567,923,373.88
  4. Step 4: Simplify right side
    129,086,889,540.73x = 13,272,973,995,555,732,586,496
  5. Step 5: Solve for x
    x = 13,272,973,995,555,732,586,496/129,086,889,540.73
  6. Step 6: Final answer
    x = 102,822,014,247.76

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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.