Home / 57,490,451.52-86,230,819.38-18,628,080.96

Finding the Fourth Proportional to 57,490,451.52, 86,230,819.38 and 18,628,080.96

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Solution

The fourth proportional to 57,490,451.52, 86,230,819.38 and 18,628,080.96 is: 27,940,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,490,451.52 : 86,230,819.38 = 18,628,080.96 : x
  2. Step 2: Convert to fraction form
    57,490,451.52/86,230,819.38 = 18,628,080.96/x
  3. Step 3: Cross multiply
    57,490,451.52x = 86,230,819.38 × 18,628,080.96
  4. Step 4: Simplify right side
    57,490,451.52x = 1,606,314,684,657,777
  5. Step 5: Solve for x
    x = 1,606,314,684,657,777/57,490,451.52
  6. Step 6: Final answer
    x = 27,940,547.38

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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.