Home / 200,264,493.30-300,430,656.21-69,071,147.37

Finding the Fourth Proportional to 200,264,493.30, 300,430,656.21 and 69,071,147.37

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Solution

The fourth proportional to 200,264,493.30, 300,430,656.21 and 69,071,147.37 is: 103,618,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,264,493.30 : 300,430,656.21 = 69,071,147.37 : x
  2. Step 2: Convert to fraction form
    200,264,493.30/300,430,656.21 = 69,071,147.37/x
  3. Step 3: Cross multiply
    200,264,493.30x = 300,430,656.21 × 69,071,147.37
  4. Step 4: Simplify right side
    200,264,493.30x = 20,751,090,129,546,716
  5. Step 5: Solve for x
    x = 20,751,090,129,546,716/200,264,493.30
  6. Step 6: Final answer
    x = 103,618,418.76

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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.