Home / 86,231,540.36-118,697,480.52-75,198,825.20

Finding the Fourth Proportional to 86,231,540.36, 118,697,480.52 and 75,198,825.20

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Solution

The fourth proportional to 86,231,540.36, 118,697,480.52 and 75,198,825.20 is: 103,510,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,231,540.36 : 118,697,480.52 = 75,198,825.20 : x
  2. Step 2: Convert to fraction form
    86,231,540.36/118,697,480.52 = 75,198,825.20/x
  3. Step 3: Cross multiply
    86,231,540.36x = 118,697,480.52 × 75,198,825.20
  4. Step 4: Simplify right side
    86,231,540.36x = 8,925,911,089,303,885
  5. Step 5: Solve for x
    x = 8,925,911,089,303,885/86,231,540.36
  6. Step 6: Final answer
    x = 103,510,978.14

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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.