Finding the Fourth Proportional to 132,318,957.08, 182,602,315.38 and 72,782,605.96
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Solution
The fourth proportional to 132,318,957.08, 182,602,315.38 and 72,782,605.96 is: 100,441,181.38
Step by Step Solution
- Step 1: Write the proportion equation
132,318,957.08 : 182,602,315.38 = 72,782,605.96 : x - Step 2: Convert to fraction form
132,318,957.08/182,602,315.38 = 72,782,605.96/x - Step 3: Cross multiply
132,318,957.08x = 182,602,315.38 × 72,782,605.96 - Step 4: Simplify right side
132,318,957.08x = 13,290,272,367,686,186 - Step 5: Solve for x
x = 13,290,272,367,686,186/132,318,957.08 - Step 6: Final answer
x = 100,441,181.38
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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.