Home / 200,264,493.80-300,430,656.96-69,071,147.86

Finding the Fourth Proportional to 200,264,493.80, 300,430,656.96 and 69,071,147.86

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Solution

The fourth proportional to 200,264,493.80, 300,430,656.96 and 69,071,147.86 is: 103,618,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,264,493.80 : 300,430,656.96 = 69,071,147.86 : x
  2. Step 2: Convert to fraction form
    200,264,493.80/300,430,656.96 = 69,071,147.86/x
  3. Step 3: Cross multiply
    200,264,493.80x = 300,430,656.96 × 69,071,147.86
  4. Step 4: Simplify right side
    200,264,493.80x = 20,751,090,328,561,096
  5. Step 5: Solve for x
    x = 20,751,090,328,561,096/200,264,493.80
  6. Step 6: Final answer
    x = 103,618,419.50

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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.