Home / 257,733,442.27-355,683,862.34-151,891,324.54

Finding the Fourth Proportional to 257,733,442.27, 355,683,862.34 and 151,891,324.54

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Solution

The fourth proportional to 257,733,442.27, 355,683,862.34 and 151,891,324.54 is: 209,616,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,733,442.27 : 355,683,862.34 = 151,891,324.54 : x
  2. Step 2: Convert to fraction form
    257,733,442.27/355,683,862.34 = 151,891,324.54/x
  3. Step 3: Cross multiply
    257,733,442.27x = 355,683,862.34 × 151,891,324.54
  4. Step 4: Simplify right side
    257,733,442.27x = 54,025,292,968,325,616
  5. Step 5: Solve for x
    x = 54,025,292,968,325,616/257,733,442.27
  6. Step 6: Final answer
    x = 209,616,930.16

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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.