Home / 307,362,910.03-424,092,851.31-188,310,656.32

Finding the Fourth Proportional to 307,362,910.03, 424,092,851.31 and 188,310,656.32

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Solution

The fourth proportional to 307,362,910.03, 424,092,851.31 and 188,310,656.32 is: 259,827,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,362,910.03 : 424,092,851.31 = 188,310,656.32 : x
  2. Step 2: Convert to fraction form
    307,362,910.03/424,092,851.31 = 188,310,656.32/x
  3. Step 3: Cross multiply
    307,362,910.03x = 424,092,851.31 × 188,310,656.32
  4. Step 4: Simplify right side
    307,362,910.03x = 79,861,203,170,452,208
  5. Step 5: Solve for x
    x = 79,861,203,170,452,208/307,362,910.03
  6. Step 6: Final answer
    x = 259,827,066.20

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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.