Home / 78,271,586.78-117,367,148.48-41,403,303.44

Finding the Fourth Proportional to 78,271,586.78, 117,367,148.48 and 41,403,303.44

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Solution

The fourth proportional to 78,271,586.78, 117,367,148.48 and 41,403,303.44 is: 62,083,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,271,586.78 : 117,367,148.48 = 41,403,303.44 : x
  2. Step 2: Convert to fraction form
    78,271,586.78/117,367,148.48 = 41,403,303.44/x
  3. Step 3: Cross multiply
    78,271,586.78x = 117,367,148.48 × 41,403,303.44
  4. Step 4: Simplify right side
    78,271,586.78x = 4,859,387,662,404,975
  5. Step 5: Solve for x
    x = 4,859,387,662,404,975/78,271,586.78
  6. Step 6: Final answer
    x = 62,083,673.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.