Finding the Fourth Proportional to 165,605,150.97, 228,536,671.39 and 91,268,430.48
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Solution
The fourth proportional to 165,605,150.97, 228,536,671.39 and 91,268,430.48 is: 125,951,295.49
Step by Step Solution
- Step 1: Write the proportion equation
165,605,150.97 : 228,536,671.39 = 91,268,430.48 : x - Step 2: Convert to fraction form
165,605,150.97/228,536,671.39 = 91,268,430.48/x - Step 3: Cross multiply
165,605,150.97x = 228,536,671.39 × 91,268,430.48 - Step 4: Simplify right side
165,605,150.97x = 20,858,183,304,660,648 - Step 5: Solve for x
x = 20,858,183,304,660,648/165,605,150.97 - Step 6: Final answer
x = 125,951,295.49
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1.5x scale
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.