Home / 65,582,091.99-90,511,266.38-38,080,019.43

Finding the Fourth Proportional to 65,582,091.99, 90,511,266.38 and 38,080,019.43

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Solution

The fourth proportional to 65,582,091.99, 90,511,266.38 and 38,080,019.43 is: 52,555,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,582,091.99 : 90,511,266.38 = 38,080,019.43 : x
  2. Step 2: Convert to fraction form
    65,582,091.99/90,511,266.38 = 38,080,019.43/x
  3. Step 3: Cross multiply
    65,582,091.99x = 90,511,266.38 × 38,080,019.43
  4. Step 4: Simplify right side
    65,582,091.99x = 3,446,670,782,193,905.50
  5. Step 5: Solve for x
    x = 3,446,670,782,193,905.50/65,582,091.99
  6. Step 6: Final answer
    x = 52,555,060.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.