Home / 84,281,548.12-116,307,657.44-49,467,512.48

Finding the Fourth Proportional to 84,281,548.12, 116,307,657.44 and 49,467,512.48

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Solution

The fourth proportional to 84,281,548.12, 116,307,657.44 and 49,467,512.48 is: 68,264,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,281,548.12 : 116,307,657.44 = 49,467,512.48 : x
  2. Step 2: Convert to fraction form
    84,281,548.12/116,307,657.44 = 49,467,512.48/x
  3. Step 3: Cross multiply
    84,281,548.12x = 116,307,657.44 × 49,467,512.48
  4. Step 4: Simplify right side
    84,281,548.12x = 5,753,450,495,932,764
  5. Step 5: Solve for x
    x = 5,753,450,495,932,764/84,281,548.12
  6. Step 6: Final answer
    x = 68,264,651.33

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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.