Home / 65,582,105.02-90,511,284.30-38,080,032.46

Finding the Fourth Proportional to 65,582,105.02, 90,511,284.30 and 38,080,032.46

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Solution

The fourth proportional to 65,582,105.02, 90,511,284.30 and 38,080,032.46 is: 52,555,077.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,582,105.02 : 90,511,284.30 = 38,080,032.46 : x
  2. Step 2: Convert to fraction form
    65,582,105.02/90,511,284.30 = 38,080,032.46/x
  3. Step 3: Cross multiply
    65,582,105.02x = 90,511,284.30 × 38,080,032.46
  4. Step 4: Simplify right side
    65,582,105.02x = 3,446,672,644,140,288.50
  5. Step 5: Solve for x
    x = 3,446,672,644,140,288.50/65,582,105.02
  6. Step 6: Final answer
    x = 52,555,077.99

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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.