Home / 220,907,945-331,409,749.62-84,593,333.36

Finding the Fourth Proportional to 220,907,945, 331,409,749.62 and 84,593,333.36

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Solution

The fourth proportional to 220,907,945, 331,409,749.62 and 84,593,333.36 is: 126,908,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,907,945 : 331,409,749.62 = 84,593,333.36 : x
  2. Step 2: Convert to fraction form
    220,907,945/331,409,749.62 = 84,593,333.36/x
  3. Step 3: Cross multiply
    220,907,945x = 331,409,749.62 × 84,593,333.36
  4. Step 4: Simplify right side
    220,907,945x = 28,035,055,428,358,792
  5. Step 5: Solve for x
    x = 28,035,055,428,358,792/220,907,945
  6. Step 6: Final answer
    x = 126,908,316.62

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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.