Home / 108,323,143.07-149,485,937.43-61,914,393.44

Finding the Fourth Proportional to 108,323,143.07, 149,485,937.43 and 61,914,393.44

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Solution

The fourth proportional to 108,323,143.07, 149,485,937.43 and 61,914,393.44 is: 85,441,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,323,143.07 : 149,485,937.43 = 61,914,393.44 : x
  2. Step 2: Convert to fraction form
    108,323,143.07/149,485,937.43 = 61,914,393.44/x
  3. Step 3: Cross multiply
    108,323,143.07x = 149,485,937.43 × 61,914,393.44
  4. Step 4: Simplify right side
    108,323,143.07x = 9,255,331,143,040,814
  5. Step 5: Solve for x
    x = 9,255,331,143,040,814/108,323,143.07
  6. Step 6: Final answer
    x = 85,441,862.94

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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.