Home / 108,439,749.76-149,645,322.48-61,395,609.44

Finding the Fourth Proportional to 108,439,749.76, 149,645,322.48 and 61,395,609.44

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Solution

The fourth proportional to 108,439,749.76, 149,645,322.48 and 61,395,609.44 is: 84,725,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,439,749.76 : 149,645,322.48 = 61,395,609.44 : x
  2. Step 2: Convert to fraction form
    108,439,749.76/149,645,322.48 = 61,395,609.44/x
  3. Step 3: Cross multiply
    108,439,749.76x = 149,645,322.48 × 61,395,609.44
  4. Step 4: Simplify right side
    108,439,749.76x = 9,187,565,773,504,932
  5. Step 5: Solve for x
    x = 9,187,565,773,504,932/108,439,749.76
  6. Step 6: Final answer
    x = 84,725,073.54

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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.