Home / 86,615,739.23-119,500,294.04-49,419,297.90

Finding the Fourth Proportional to 86,615,739.23, 119,500,294.04 and 49,419,297.90

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Solution

The fourth proportional to 86,615,739.23, 119,500,294.04 and 49,419,297.90 is: 68,181,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,615,739.23 : 119,500,294.04 = 49,419,297.90 : x
  2. Step 2: Convert to fraction form
    86,615,739.23/119,500,294.04 = 49,419,297.90/x
  3. Step 3: Cross multiply
    86,615,739.23x = 119,500,294.04 × 49,419,297.90
  4. Step 4: Simplify right side
    86,615,739.23x = 5,905,620,630,300,355
  5. Step 5: Solve for x
    x = 5,905,620,630,300,355/86,615,739.23
  6. Step 6: Final answer
    x = 68,181,841.81

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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.