Home / 117,969,486.08-162,731,223.24-73,839,872

Finding the Fourth Proportional to 117,969,486.08, 162,731,223.24 and 73,839,872

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Solution

The fourth proportional to 117,969,486.08, 162,731,223.24 and 73,839,872 is: 101,857,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,969,486.08 : 162,731,223.24 = 73,839,872 : x
  2. Step 2: Convert to fraction form
    117,969,486.08/162,731,223.24 = 73,839,872/x
  3. Step 3: Cross multiply
    117,969,486.08x = 162,731,223.24 × 73,839,872
  4. Step 4: Simplify right side
    117,969,486.08x = 12,016,052,694,445,026
  5. Step 5: Solve for x
    x = 12,016,052,694,445,026/117,969,486.08
  6. Step 6: Final answer
    x = 101,857,294.57

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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.