Home / 213,189,023.34-319,901,778.63-104,015,091.42

Finding the Fourth Proportional to 213,189,023.34, 319,901,778.63 and 104,015,091.42

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Solution

The fourth proportional to 213,189,023.34, 319,901,778.63 and 104,015,091.42 is: 156,080,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,189,023.34 : 319,901,778.63 = 104,015,091.42 : x
  2. Step 2: Convert to fraction form
    213,189,023.34/319,901,778.63 = 104,015,091.42/x
  3. Step 3: Cross multiply
    213,189,023.34x = 319,901,778.63 × 104,015,091.42
  4. Step 4: Simplify right side
    213,189,023.34x = 33,274,612,749,620,052
  5. Step 5: Solve for x
    x = 33,274,612,749,620,052/213,189,023.34
  6. Step 6: Final answer
    x = 156,080,328.28

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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.