Home / 117,876,069.21-162,677,573.05-68,329,234.29

Finding the Fourth Proportional to 117,876,069.21, 162,677,573.05 and 68,329,234.29

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Solution

The fourth proportional to 117,876,069.21, 162,677,573.05 and 68,329,234.29 is: 94,299,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,876,069.21 : 162,677,573.05 = 68,329,234.29 : x
  2. Step 2: Convert to fraction form
    117,876,069.21/162,677,573.05 = 68,329,234.29/x
  3. Step 3: Cross multiply
    117,876,069.21x = 162,677,573.05 × 68,329,234.29
  4. Step 4: Simplify right side
    117,876,069.21x = 11,115,634,003,229,034
  5. Step 5: Solve for x
    x = 11,115,634,003,229,034/117,876,069.21
  6. Step 6: Final answer
    x = 94,299,327.06

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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.