Home / 78,335,941.20-117,503,911.80-32,882,629.20

Finding the Fourth Proportional to 78,335,941.20, 117,503,911.80 and 32,882,629.20

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Solution

The fourth proportional to 78,335,941.20, 117,503,911.80 and 32,882,629.20 is: 49,323,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,335,941.20 : 117,503,911.80 = 32,882,629.20 : x
  2. Step 2: Convert to fraction form
    78,335,941.20/117,503,911.80 = 32,882,629.20/x
  3. Step 3: Cross multiply
    78,335,941.20x = 117,503,911.80 × 32,882,629.20
  4. Step 4: Simplify right side
    78,335,941.20x = 3,863,837,561,268,904.50
  5. Step 5: Solve for x
    x = 3,863,837,561,268,904.50/78,335,941.20
  6. Step 6: Final answer
    x = 49,323,943.80

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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.