Finding the Fourth Proportional to 149,207,757.50, 205,901,876.57 and 85,638,560.01
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Solution
The fourth proportional to 149,207,757.50, 205,901,876.57 and 85,638,560.01 is: 118,178,441.31
Step by Step Solution
- Step 1: Write the proportion equation
149,207,757.50 : 205,901,876.57 = 85,638,560.01 : x - Step 2: Convert to fraction form
149,207,757.50/205,901,876.57 = 85,638,560.01/x - Step 3: Cross multiply
149,207,757.50x = 205,901,876.57 × 85,638,560.01 - Step 4: Simplify right side
149,207,757.50x = 17,633,140,213,025,654 - Step 5: Solve for x
x = 17,633,140,213,025,654/149,207,757.50 - Step 6: Final answer
x = 118,178,441.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.