Finding the Fourth Proportional to 218,901,527.30, 328,135,714.95 and 103,683,556.10
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Solution
The fourth proportional to 218,901,527.30, 328,135,714.95 and 103,683,556.10 is: 155,422,752.09
Step by Step Solution
- Step 1: Write the proportion equation
218,901,527.30 : 328,135,714.95 = 103,683,556.10 : x - Step 2: Convert to fraction form
218,901,527.30/328,135,714.95 = 103,683,556.10/x - Step 3: Cross multiply
218,901,527.30x = 328,135,714.95 × 103,683,556.10 - Step 4: Simplify right side
218,901,527.30x = 34,022,277,809,431,932 - Step 5: Solve for x
x = 34,022,277,809,431,932/218,901,527.30 - Step 6: Final answer
x = 155,422,752.09
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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.