Home / 65,840,949.20-98,825,167.56-31,786,190.48

Finding the Fourth Proportional to 65,840,949.20, 98,825,167.56 and 31,786,190.48

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Solution

The fourth proportional to 65,840,949.20, 98,825,167.56 and 31,786,190.48 is: 47,710,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,840,949.20 : 98,825,167.56 = 31,786,190.48 : x
  2. Step 2: Convert to fraction form
    65,840,949.20/98,825,167.56 = 31,786,190.48/x
  3. Step 3: Cross multiply
    65,840,949.20x = 98,825,167.56 × 31,786,190.48
  4. Step 4: Simplify right side
    65,840,949.20x = 3,141,275,600,280,077
  5. Step 5: Solve for x
    x = 3,141,275,600,280,077/65,840,949.20
  6. Step 6: Final answer
    x = 47,710,059.45

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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.