Home / 65,541,813.09-90,447,893.87-35,772,735.41

Finding the Fourth Proportional to 65,541,813.09, 90,447,893.87 and 35,772,735.41

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Solution

The fourth proportional to 65,541,813.09, 90,447,893.87 and 35,772,735.41 is: 49,366,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,541,813.09 : 90,447,893.87 = 35,772,735.41 : x
  2. Step 2: Convert to fraction form
    65,541,813.09/90,447,893.87 = 35,772,735.41/x
  3. Step 3: Cross multiply
    65,541,813.09x = 90,447,893.87 × 35,772,735.41
  4. Step 4: Simplify right side
    65,541,813.09x = 3,235,568,575,511,347
  5. Step 5: Solve for x
    x = 3,235,568,575,511,347/65,541,813.09
  6. Step 6: Final answer
    x = 49,366,479.55

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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.