Finding the Fourth Proportional to 203,936,214.66, 306,045,597.90 and 81,101,945.94
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Solution
The fourth proportional to 203,936,214.66, 306,045,597.90 and 81,101,945.94 is: 121,709,101.92
Step by Step Solution
- Step 1: Write the proportion equation
203,936,214.66 : 306,045,597.90 = 81,101,945.94 : x - Step 2: Convert to fraction form
203,936,214.66/306,045,597.90 = 81,101,945.94/x - Step 3: Cross multiply
203,936,214.66x = 306,045,597.90 × 81,101,945.94 - Step 4: Simplify right side
203,936,214.66x = 24,820,893,536,060,776 - Step 5: Solve for x
x = 24,820,893,536,060,776/203,936,214.66 - Step 6: Final answer
x = 121,709,101.92
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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.