Finding the Fourth Proportional to 66,125,279.07, 91,253,976.44 and 36,357,185.07
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Solution
The fourth proportional to 66,125,279.07, 91,253,976.44 and 36,357,185.07 is: 50,173,515.43
Step by Step Solution
- Step 1: Write the proportion equation
66,125,279.07 : 91,253,976.44 = 36,357,185.07 : x - Step 2: Convert to fraction form
66,125,279.07/91,253,976.44 = 36,357,185.07/x - Step 3: Cross multiply
66,125,279.07x = 91,253,976.44 × 36,357,185.07 - Step 4: Simplify right side
66,125,279.07x = 3,317,737,709,620,714 - Step 5: Solve for x
x = 3,317,737,709,620,714/66,125,279.07 - Step 6: Final answer
x = 50,173,515.43
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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.