Home / 228,516,142.36-315,351,290.44-124,093,352.92

Finding the Fourth Proportional to 228,516,142.36, 315,351,290.44 and 124,093,352.92

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Solution

The fourth proportional to 228,516,142.36, 315,351,290.44 and 124,093,352.92 is: 171,248,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,516,142.36 : 315,351,290.44 = 124,093,352.92 : x
  2. Step 2: Convert to fraction form
    228,516,142.36/315,351,290.44 = 124,093,352.92/x
  3. Step 3: Cross multiply
    228,516,142.36x = 315,351,290.44 × 124,093,352.92
  4. Step 4: Simplify right side
    228,516,142.36x = 39,132,998,978,348,344
  5. Step 5: Solve for x
    x = 39,132,998,978,348,344/228,516,142.36
  6. Step 6: Final answer
    x = 171,248,291.58

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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.