Finding the Fourth Proportional to 212,471,718.24, 318,577,755.69 and 101,841,240.42
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Solution
The fourth proportional to 212,471,718.24, 318,577,755.69 and 101,841,240.42 is: 152,699,634.94
Step by Step Solution
- Step 1: Write the proportion equation
212,471,718.24 : 318,577,755.69 = 101,841,240.42 : x - Step 2: Convert to fraction form
212,471,718.24/318,577,755.69 = 101,841,240.42/x - Step 3: Cross multiply
212,471,718.24x = 318,577,755.69 × 101,841,240.42 - Step 4: Simplify right side
212,471,718.24x = 32,444,353,809,689,312 - Step 5: Solve for x
x = 32,444,353,809,689,312/212,471,718.24 - Step 6: Final answer
x = 152,699,634.94
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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.