Home / 220,231,722.96-303,927,576.84-121,120,141.59

Finding the Fourth Proportional to 220,231,722.96, 303,927,576.84 and 121,120,141.59

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Solution

The fourth proportional to 220,231,722.96, 303,927,576.84 and 121,120,141.59 is: 167,150,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,231,722.96 : 303,927,576.84 = 121,120,141.59 : x
  2. Step 2: Convert to fraction form
    220,231,722.96/303,927,576.84 = 121,120,141.59/x
  3. Step 3: Cross multiply
    220,231,722.96x = 303,927,576.84 × 121,120,141.59
  4. Step 4: Simplify right side
    220,231,722.96x = 36,811,751,139,966,400
  5. Step 5: Solve for x
    x = 36,811,751,139,966,400/220,231,722.96
  6. Step 6: Final answer
    x = 167,150,084.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.