Home / 145,405,272.93-200,658,324.36-82,681,375.52

Finding the Fourth Proportional to 145,405,272.93, 200,658,324.36 and 82,681,375.52

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Solution

The fourth proportional to 145,405,272.93, 200,658,324.36 and 82,681,375.52 is: 114,099,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,405,272.93 : 200,658,324.36 = 82,681,375.52 : x
  2. Step 2: Convert to fraction form
    145,405,272.93/200,658,324.36 = 82,681,375.52/x
  3. Step 3: Cross multiply
    145,405,272.93x = 200,658,324.36 × 82,681,375.52
  4. Step 4: Simplify right side
    145,405,272.93x = 16,590,706,268,434,824
  5. Step 5: Solve for x
    x = 16,590,706,268,434,824/145,405,272.93
  6. Step 6: Final answer
    x = 114,099,756.73

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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.