Home / 199,037,213.22-298,690,340.80-69,645,944.28

Finding the Fourth Proportional to 199,037,213.22, 298,690,340.80 and 69,645,944.28

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Solution

The fourth proportional to 199,037,213.22, 298,690,340.80 and 69,645,944.28 is: 104,515,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,037,213.22 : 298,690,340.80 = 69,645,944.28 : x
  2. Step 2: Convert to fraction form
    199,037,213.22/298,690,340.80 = 69,645,944.28/x
  3. Step 3: Cross multiply
    199,037,213.22x = 298,690,340.80 × 69,645,944.28
  4. Step 4: Simplify right side
    199,037,213.22x = 20,802,570,832,331,012
  5. Step 5: Solve for x
    x = 20,802,570,832,331,012/199,037,213.22
  6. Step 6: Final answer
    x = 104,515,987.22

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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.