Home / 65,481,189.90-98,205,025.08-19,412,285.94

Finding the Fourth Proportional to 65,481,189.90, 98,205,025.08 and 19,412,285.94

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Solution

The fourth proportional to 65,481,189.90, 98,205,025.08 and 19,412,285.94 is: 29,113,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,481,189.90 : 98,205,025.08 = 19,412,285.94 : x
  2. Step 2: Convert to fraction form
    65,481,189.90/98,205,025.08 = 19,412,285.94/x
  3. Step 3: Cross multiply
    65,481,189.90x = 98,205,025.08 × 19,412,285.94
  4. Step 4: Simplify right side
    65,481,189.90x = 1,906,384,027,597,831.50
  5. Step 5: Solve for x
    x = 1,906,384,027,597,831.50/65,481,189.90
  6. Step 6: Final answer
    x = 29,113,460.38

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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.