Home / 81,548,476.85-112,540,603.85-48,059,369.33

Finding the Fourth Proportional to 81,548,476.85, 112,540,603.85 and 48,059,369.33

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Solution

The fourth proportional to 81,548,476.85, 112,540,603.85 and 48,059,369.33 is: 66,324,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,548,476.85 : 112,540,603.85 = 48,059,369.33 : x
  2. Step 2: Convert to fraction form
    81,548,476.85/112,540,603.85 = 48,059,369.33/x
  3. Step 3: Cross multiply
    81,548,476.85x = 112,540,603.85 × 48,059,369.33
  4. Step 4: Simplify right side
    81,548,476.85x = 5,408,630,444,245,370
  5. Step 5: Solve for x
    x = 5,408,630,444,245,370/81,548,476.85
  6. Step 6: Final answer
    x = 66,324,113.63

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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.