Home / 259,074,466.80-388,760,999.40-97,632,265.20

Finding the Fourth Proportional to 259,074,466.80, 388,760,999.40 and 97,632,265.20

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Solution

The fourth proportional to 259,074,466.80, 388,760,999.40 and 97,632,265.20 is: 146,504,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,074,466.80 : 388,760,999.40 = 97,632,265.20 : x
  2. Step 2: Convert to fraction form
    259,074,466.80/388,760,999.40 = 97,632,265.20/x
  3. Step 3: Cross multiply
    259,074,466.80x = 388,760,999.40 × 97,632,265.20
  4. Step 4: Simplify right side
    259,074,466.80x = 37,955,616,992,837,840
  5. Step 5: Solve for x
    x = 37,955,616,992,837,840/259,074,466.80
  6. Step 6: Final answer
    x = 146,504,661.23

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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.