Finding the Fourth Proportional to 122,362,702.68, 183,476,966.94 and 48,511,668.72
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Solution
The fourth proportional to 122,362,702.68, 183,476,966.94 and 48,511,668.72 is: 72,740,905.87
Step by Step Solution
- Step 1: Write the proportion equation
122,362,702.68 : 183,476,966.94 = 48,511,668.72 : x - Step 2: Convert to fraction form
122,362,702.68/183,476,966.94 = 48,511,668.72/x - Step 3: Cross multiply
122,362,702.68x = 183,476,966.94 × 48,511,668.72 - Step 4: Simplify right side
122,362,702.68x = 8,900,773,837,943,672 - Step 5: Solve for x
x = 8,900,773,837,943,672/122,362,702.68 - Step 6: Final answer
x = 72,740,905.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.