Home / 259,722,144-358,427,825.28-143,828,640

Finding the Fourth Proportional to 259,722,144, 358,427,825.28 and 143,828,640

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Solution

The fourth proportional to 259,722,144, 358,427,825.28 and 143,828,640 is: 198,489,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,722,144 : 358,427,825.28 = 143,828,640 : x
  2. Step 2: Convert to fraction form
    259,722,144/358,427,825.28 = 143,828,640/x
  3. Step 3: Cross multiply
    259,722,144x = 358,427,825.28 × 143,828,640
  4. Step 4: Simplify right side
    259,722,144x = 51,552,186,648,180,016
  5. Step 5: Solve for x
    x = 51,552,186,648,180,016/259,722,144
  6. Step 6: Final answer
    x = 198,489,762.38

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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.