Home / 248,432,945.16-342,823,474.02-136,923,448.20

Finding the Fourth Proportional to 248,432,945.16, 342,823,474.02 and 136,923,448.20

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Solution

The fourth proportional to 248,432,945.16, 342,823,474.02 and 136,923,448.20 is: 188,946,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,432,945.16 : 342,823,474.02 = 136,923,448.20 : x
  2. Step 2: Convert to fraction form
    248,432,945.16/342,823,474.02 = 136,923,448.20/x
  3. Step 3: Cross multiply
    248,432,945.16x = 342,823,474.02 × 136,923,448.20
  4. Step 4: Simplify right side
    248,432,945.16x = 46,940,572,186,721,512
  5. Step 5: Solve for x
    x = 46,940,572,186,721,512/248,432,945.16
  6. Step 6: Final answer
    x = 188,946,647.78

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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.