Home / 78,264,468.78-117,348,499.04-26,444,175.60

Finding the Fourth Proportional to 78,264,468.78, 117,348,499.04 and 26,444,175.60

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Solution

The fourth proportional to 78,264,468.78, 117,348,499.04 and 26,444,175.60 is: 39,649,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,264,468.78 : 117,348,499.04 = 26,444,175.60 : x
  2. Step 2: Convert to fraction form
    78,264,468.78/117,348,499.04 = 26,444,175.60/x
  3. Step 3: Cross multiply
    78,264,468.78x = 117,348,499.04 × 26,444,175.60
  4. Step 4: Simplify right side
    78,264,468.78x = 3,103,184,314,687,040.50
  5. Step 5: Solve for x
    x = 3,103,184,314,687,040.50/78,264,468.78
  6. Step 6: Final answer
    x = 39,649,976.08

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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.