Home / 165,401,556.30-248,102,334.45-68,325,000.30

Finding the Fourth Proportional to 165,401,556.30, 248,102,334.45 and 68,325,000.30

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Solution

The fourth proportional to 165,401,556.30, 248,102,334.45 and 68,325,000.30 is: 102,487,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,401,556.30 : 248,102,334.45 = 68,325,000.30 : x
  2. Step 2: Convert to fraction form
    165,401,556.30/248,102,334.45 = 68,325,000.30/x
  3. Step 3: Cross multiply
    165,401,556.30x = 248,102,334.45 × 68,325,000.30
  4. Step 4: Simplify right side
    165,401,556.30x = 16,951,592,075,726,948
  5. Step 5: Solve for x
    x = 16,951,592,075,726,948/165,401,556.30
  6. Step 6: Final answer
    x = 102,487,500.45

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Double scale
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Similar ratio
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1.5x scale

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.