Finding the Fourth Proportional to 67,372,702.85, 101,067,121.99 and 20,680,072.53
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Solution
The fourth proportional to 67,372,702.85, 101,067,121.99 and 20,680,072.53 is: 31,022,585.18
Step by Step Solution
- Step 1: Write the proportion equation
67,372,702.85 : 101,067,121.99 = 20,680,072.53 : x - Step 2: Convert to fraction form
67,372,702.85/101,067,121.99 = 20,680,072.53/x - Step 3: Cross multiply
67,372,702.85x = 101,067,121.99 × 20,680,072.53 - Step 4: Simplify right side
67,372,702.85x = 2,090,075,413,140,718 - Step 5: Solve for x
x = 2,090,075,413,140,718/67,372,702.85 - Step 6: Final answer
x = 31,022,585.18
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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.