Home / 221,609,980.96-332,431,680.12-66,151,508.56

Finding the Fourth Proportional to 221,609,980.96, 332,431,680.12 and 66,151,508.56

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Solution

The fourth proportional to 221,609,980.96, 332,431,680.12 and 66,151,508.56 is: 99,232,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,609,980.96 : 332,431,680.12 = 66,151,508.56 : x
  2. Step 2: Convert to fraction form
    221,609,980.96/332,431,680.12 = 66,151,508.56/x
  3. Step 3: Cross multiply
    221,609,980.96x = 332,431,680.12 × 66,151,508.56
  4. Step 4: Simplify right side
    221,609,980.96x = 21,990,857,133,073,364
  5. Step 5: Solve for x
    x = 21,990,857,133,073,364/221,609,980.96
  6. Step 6: Final answer
    x = 99,232,250.45

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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.