Finding the Fourth Proportional to 66,495,725.36, 91,763,231.85 and 37,127,557.79
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Solution
The fourth proportional to 66,495,725.36, 91,763,231.85 and 37,127,557.79 is: 51,235,544.46
Step by Step Solution
- Step 1: Write the proportion equation
66,495,725.36 : 91,763,231.85 = 37,127,557.79 : x - Step 2: Convert to fraction form
66,495,725.36/91,763,231.85 = 37,127,557.79/x - Step 3: Cross multiply
66,495,725.36x = 91,763,231.85 × 37,127,557.79 - Step 4: Simplify right side
66,495,725.36x = 3,406,944,693,049,227 - Step 5: Solve for x
x = 3,406,944,693,049,227/66,495,725.36 - Step 6: Final answer
x = 51,235,544.46
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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.