Home / 219,912,240.11-303,470,576.75-122,133,394.67

Finding the Fourth Proportional to 219,912,240.11, 303,470,576.75 and 122,133,394.67

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Solution

The fourth proportional to 219,912,240.11, 303,470,576.75 and 122,133,394.67 is: 168,539,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,912,240.11 : 303,470,576.75 = 122,133,394.67 : x
  2. Step 2: Convert to fraction form
    219,912,240.11/303,470,576.75 = 122,133,394.67/x
  3. Step 3: Cross multiply
    219,912,240.11x = 303,470,576.75 × 122,133,394.67
  4. Step 4: Simplify right side
    219,912,240.11x = 37,063,891,720,329,608
  5. Step 5: Solve for x
    x = 37,063,891,720,329,608/219,912,240.11
  6. Step 6: Final answer
    x = 168,539,466.93

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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.