Home / 65,523,819.20-98,285,728.80-43,968,747.20

Finding the Fourth Proportional to 65,523,819.20, 98,285,728.80 and 43,968,747.20

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Solution

The fourth proportional to 65,523,819.20, 98,285,728.80 and 43,968,747.20 is: 65,953,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,523,819.20 : 98,285,728.80 = 43,968,747.20 : x
  2. Step 2: Convert to fraction form
    65,523,819.20/98,285,728.80 = 43,968,747.20/x
  3. Step 3: Cross multiply
    65,523,819.20x = 98,285,728.80 × 43,968,747.20
  4. Step 4: Simplify right side
    65,523,819.20x = 4,321,500,362,974,959.50
  5. Step 5: Solve for x
    x = 4,321,500,362,974,959.50/65,523,819.20
  6. Step 6: Final answer
    x = 65,953,120.80

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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.