Home / 108,323,142.07-149,485,936.05-61,914,392.44

Finding the Fourth Proportional to 108,323,142.07, 149,485,936.05 and 61,914,392.44

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Solution

The fourth proportional to 108,323,142.07, 149,485,936.05 and 61,914,392.44 is: 85,441,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,323,142.07 : 149,485,936.05 = 61,914,392.44 : x
  2. Step 2: Convert to fraction form
    108,323,142.07/149,485,936.05 = 61,914,392.44/x
  3. Step 3: Cross multiply
    108,323,142.07x = 149,485,936.05 × 61,914,392.44
  4. Step 4: Simplify right side
    108,323,142.07x = 9,255,330,908,113,014
  5. Step 5: Solve for x
    x = 9,255,330,908,113,014/108,323,142.07
  6. Step 6: Final answer
    x = 85,441,861.56

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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.