Home / 248,276,181-342,603,438.32-147,799,288.48

Finding the Fourth Proportional to 248,276,181, 342,603,438.32 and 147,799,288.48

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Solution

The fourth proportional to 248,276,181, 342,603,438.32 and 147,799,288.48 is: 203,952,486.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,276,181 : 342,603,438.32 = 147,799,288.48 : x
  2. Step 2: Convert to fraction form
    248,276,181/342,603,438.32 = 147,799,288.48/x
  3. Step 3: Cross multiply
    248,276,181x = 342,603,438.32 × 147,799,288.48
  4. Step 4: Simplify right side
    248,276,181x = 50,636,544,414,497,560
  5. Step 5: Solve for x
    x = 50,636,544,414,497,560/248,276,181
  6. Step 6: Final answer
    x = 203,952,486.34

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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.