Home / 65,128,447.26-89,878,542.60-35,759,522.88

Finding the Fourth Proportional to 65,128,447.26, 89,878,542.60 and 35,759,522.88

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Solution

The fourth proportional to 65,128,447.26, 89,878,542.60 and 35,759,522.88 is: 49,348,847.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,128,447.26 : 89,878,542.60 = 35,759,522.88 : x
  2. Step 2: Convert to fraction form
    65,128,447.26/89,878,542.60 = 35,759,522.88/x
  3. Step 3: Cross multiply
    65,128,447.26x = 89,878,542.60 × 35,759,522.88
  4. Step 4: Simplify right side
    65,128,447.26x = 3,214,013,800,525,754.50
  5. Step 5: Solve for x
    x = 3,214,013,800,525,754.50/65,128,447.26
  6. Step 6: Final answer
    x = 49,348,847.33

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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.