Home / 103,978,000.32-143,499,268.96-57,568,254.88

Finding the Fourth Proportional to 103,978,000.32, 143,499,268.96 and 57,568,254.88

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Solution

The fourth proportional to 103,978,000.32, 143,499,268.96 and 57,568,254.88 is: 79,449,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,978,000.32 : 143,499,268.96 = 57,568,254.88 : x
  2. Step 2: Convert to fraction form
    103,978,000.32/143,499,268.96 = 57,568,254.88/x
  3. Step 3: Cross multiply
    103,978,000.32x = 143,499,268.96 × 57,568,254.88
  4. Step 4: Simplify right side
    103,978,000.32x = 8,261,002,490,582,953
  5. Step 5: Solve for x
    x = 8,261,002,490,582,953/103,978,000.32
  6. Step 6: Final answer
    x = 79,449,522.64

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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.