Finding the Fourth Proportional to 358,128,181.80, 537,192,272.70 and 128,104,770.60
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Solution
The fourth proportional to 358,128,181.80, 537,192,272.70 and 128,104,770.60 is: 192,157,155.90
Step by Step Solution
- Step 1: Write the proportion equation
358,128,181.80 : 537,192,272.70 = 128,104,770.60 : x - Step 2: Convert to fraction form
358,128,181.80/537,192,272.70 = 128,104,770.60/x - Step 3: Cross multiply
358,128,181.80x = 537,192,272.70 × 128,104,770.60 - Step 4: Simplify right side
358,128,181.80x = 68,816,892,862,326,144 - Step 5: Solve for x
x = 68,816,892,862,326,144/358,128,181.80 - Step 6: Final answer
x = 192,157,155.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.