Home / 65,481,188.90-98,205,023.58-19,412,284.94

Finding the Fourth Proportional to 65,481,188.90, 98,205,023.58 and 19,412,284.94

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Solution

The fourth proportional to 65,481,188.90, 98,205,023.58 and 19,412,284.94 is: 29,113,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,481,188.90 : 98,205,023.58 = 19,412,284.94 : x
  2. Step 2: Convert to fraction form
    65,481,188.90/98,205,023.58 = 19,412,284.94/x
  3. Step 3: Cross multiply
    65,481,188.90x = 98,205,023.58 × 19,412,284.94
  4. Step 4: Simplify right side
    65,481,188.90x = 1,906,383,900,274,379
  5. Step 5: Solve for x
    x = 1,906,383,900,274,379/65,481,188.90
  6. Step 6: Final answer
    x = 29,113,458.88

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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.