Home / 248,432,936.16-342,823,461.60-136,923,439.20

Finding the Fourth Proportional to 248,432,936.16, 342,823,461.60 and 136,923,439.20

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Solution

The fourth proportional to 248,432,936.16, 342,823,461.60 and 136,923,439.20 is: 188,946,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,432,936.16 : 342,823,461.60 = 136,923,439.20 : x
  2. Step 2: Convert to fraction form
    248,432,936.16/342,823,461.60 = 136,923,439.20/x
  3. Step 3: Cross multiply
    248,432,936.16x = 342,823,461.60 × 136,923,439.20
  4. Step 4: Simplify right side
    248,432,936.16x = 46,940,567,400,721,136
  5. Step 5: Solve for x
    x = 46,940,567,400,721,136/248,432,936.16
  6. Step 6: Final answer
    x = 188,946,635.36

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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.