Home / 221,609,882.96-332,431,533.12-66,151,410.56

Finding the Fourth Proportional to 221,609,882.96, 332,431,533.12 and 66,151,410.56

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Solution

The fourth proportional to 221,609,882.96, 332,431,533.12 and 66,151,410.56 is: 99,232,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,609,882.96 : 332,431,533.12 = 66,151,410.56 : x
  2. Step 2: Convert to fraction form
    221,609,882.96/332,431,533.12 = 66,151,410.56/x
  3. Step 3: Cross multiply
    221,609,882.96x = 332,431,533.12 × 66,151,410.56
  4. Step 4: Simplify right side
    221,609,882.96x = 21,990,814,830,511,360
  5. Step 5: Solve for x
    x = 21,990,814,830,511,360/221,609,882.96
  6. Step 6: Final answer
    x = 99,232,103.45

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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.