Home / 81,920,327.39-113,045,514.59-44,743,205.51

Finding the Fourth Proportional to 81,920,327.39, 113,045,514.59 and 44,743,205.51

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Solution

The fourth proportional to 81,920,327.39, 113,045,514.59 and 44,743,205.51 is: 61,743,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,920,327.39 : 113,045,514.59 = 44,743,205.51 : x
  2. Step 2: Convert to fraction form
    81,920,327.39/113,045,514.59 = 44,743,205.51/x
  3. Step 3: Cross multiply
    81,920,327.39x = 113,045,514.59 × 44,743,205.51
  4. Step 4: Simplify right side
    81,920,327.39x = 5,058,018,691,284,073
  5. Step 5: Solve for x
    x = 5,058,018,691,284,073/81,920,327.39
  6. Step 6: Final answer
    x = 61,743,145.47

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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.