Home / 218,093,234.52-300,968,250.78-118,973,955.72

Finding the Fourth Proportional to 218,093,234.52, 300,968,250.78 and 118,973,955.72

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Solution

The fourth proportional to 218,093,234.52, 300,968,250.78 and 118,973,955.72 is: 164,183,833.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,093,234.52 : 300,968,250.78 = 118,973,955.72 : x
  2. Step 2: Convert to fraction form
    218,093,234.52/300,968,250.78 = 118,973,955.72/x
  3. Step 3: Cross multiply
    218,093,234.52x = 300,968,250.78 × 118,973,955.72
  4. Step 4: Simplify right side
    218,093,234.52x = 35,807,383,341,425,572
  5. Step 5: Solve for x
    x = 35,807,383,341,425,572/218,093,234.52
  6. Step 6: Final answer
    x = 164,183,833.67

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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.