Home / 65,892,738.72-98,780,321.52-33,526,538.40

Finding the Fourth Proportional to 65,892,738.72, 98,780,321.52 and 33,526,538.40

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Solution

The fourth proportional to 65,892,738.72, 98,780,321.52 and 33,526,538.40 is: 50,259,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,892,738.72 : 98,780,321.52 = 33,526,538.40 : x
  2. Step 2: Convert to fraction form
    65,892,738.72/98,780,321.52 = 33,526,538.40/x
  3. Step 3: Cross multiply
    65,892,738.72x = 98,780,321.52 × 33,526,538.40
  4. Step 4: Simplify right side
    65,892,738.72x = 3,311,762,242,604,626
  5. Step 5: Solve for x
    x = 3,311,762,242,604,626/65,892,738.72
  6. Step 6: Final answer
    x = 50,259,896.72

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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.