Finding the Fourth Proportional to 165,605,153.97, 228,536,675.52 and 91,268,433.48
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Solution
The fourth proportional to 165,605,153.97, 228,536,675.52 and 91,268,433.48 is: 125,951,299.63
Step by Step Solution
- Step 1: Write the proportion equation
165,605,153.97 : 228,536,675.52 = 91,268,433.48 : x - Step 2: Convert to fraction form
165,605,153.97/228,536,675.52 = 91,268,433.48/x - Step 3: Cross multiply
165,605,153.97x = 228,536,675.52 × 91,268,433.48 - Step 4: Simplify right side
165,605,153.97x = 20,858,184,367,437,468 - Step 5: Solve for x
x = 20,858,184,367,437,468/165,605,153.97 - Step 6: Final answer
x = 125,951,299.63
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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.