Home / 76,464,010.10-114,621,365.55-68,401,853.30

Finding the Fourth Proportional to 76,464,010.10, 114,621,365.55 and 68,401,853.30

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Solution

The fourth proportional to 76,464,010.10, 114,621,365.55 and 68,401,853.30 is: 102,536,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,464,010.10 : 114,621,365.55 = 68,401,853.30 : x
  2. Step 2: Convert to fraction form
    76,464,010.10/114,621,365.55 = 68,401,853.30/x
  3. Step 3: Cross multiply
    76,464,010.10x = 114,621,365.55 × 68,401,853.30
  4. Step 4: Simplify right side
    76,464,010.10x = 7,840,313,831,396,773
  5. Step 5: Solve for x
    x = 7,840,313,831,396,773/76,464,010.10
  6. Step 6: Final answer
    x = 102,536,001.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.