Home / 146,619,415.78-219,976,897.47-69,932,464.90

Finding the Fourth Proportional to 146,619,415.78, 219,976,897.47 and 69,932,464.90

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Solution

The fourth proportional to 146,619,415.78, 219,976,897.47 and 69,932,464.90 is: 104,921,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,619,415.78 : 219,976,897.47 = 69,932,464.90 : x
  2. Step 2: Convert to fraction form
    146,619,415.78/219,976,897.47 = 69,932,464.90/x
  3. Step 3: Cross multiply
    146,619,415.78x = 219,976,897.47 × 69,932,464.90
  4. Step 4: Simplify right side
    146,619,415.78x = 15,383,526,661,131,676
  5. Step 5: Solve for x
    x = 15,383,526,661,131,676/146,619,415.78
  6. Step 6: Final answer
    x = 104,921,483.82

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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.