Home / 81,920,315.17-113,045,497.72-44,743,193.29

Finding the Fourth Proportional to 81,920,315.17, 113,045,497.72 and 44,743,193.29

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Solution

The fourth proportional to 81,920,315.17, 113,045,497.72 and 44,743,193.29 is: 61,743,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,920,315.17 : 113,045,497.72 = 44,743,193.29 : x
  2. Step 2: Convert to fraction form
    81,920,315.17/113,045,497.72 = 44,743,193.29/x
  3. Step 3: Cross multiply
    81,920,315.17x = 113,045,497.72 × 44,743,193.29
  4. Step 4: Simplify right side
    81,920,315.17x = 5,058,016,555,050,214
  5. Step 5: Solve for x
    x = 5,058,016,555,050,214/81,920,315.17
  6. Step 6: Final answer
    x = 61,743,128.61

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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.