Home / 126,485,789.94-174,531,086.37-71,461,569.78

Finding the Fourth Proportional to 126,485,789.94, 174,531,086.37 and 71,461,569.78

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Solution

The fourth proportional to 126,485,789.94, 174,531,086.37 and 71,461,569.78 is: 98,606,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,485,789.94 : 174,531,086.37 = 71,461,569.78 : x
  2. Step 2: Convert to fraction form
    126,485,789.94/174,531,086.37 = 71,461,569.78/x
  3. Step 3: Cross multiply
    126,485,789.94x = 174,531,086.37 × 71,461,569.78
  4. Step 4: Simplify right side
    126,485,789.94x = 12,472,265,407,408,962
  5. Step 5: Solve for x
    x = 12,472,265,407,408,962/126,485,789.94
  6. Step 6: Final answer
    x = 98,606,060.12

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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.