Home / 86,615,738.73-119,500,293.35-49,419,297.40

Finding the Fourth Proportional to 86,615,738.73, 119,500,293.35 and 49,419,297.40

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Solution

The fourth proportional to 86,615,738.73, 119,500,293.35 and 49,419,297.40 is: 68,181,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,615,738.73 : 119,500,293.35 = 49,419,297.40 : x
  2. Step 2: Convert to fraction form
    86,615,738.73/119,500,293.35 = 49,419,297.40/x
  3. Step 3: Cross multiply
    86,615,738.73x = 119,500,293.35 × 49,419,297.40
  4. Step 4: Simplify right side
    86,615,738.73x = 5,905,620,536,450,892
  5. Step 5: Solve for x
    x = 5,905,620,536,450,892/86,615,738.73
  6. Step 6: Final answer
    x = 68,181,841.12

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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.