Finding the Fourth Proportional to 69,783,078.94, 104,690,230.18 and 21,264,729.98
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Solution
The fourth proportional to 69,783,078.94, 104,690,230.18 and 21,264,729.98 is: 31,901,852.28
Step by Step Solution
- Step 1: Write the proportion equation
69,783,078.94 : 104,690,230.18 = 21,264,729.98 : x - Step 2: Convert to fraction form
69,783,078.94/104,690,230.18 = 21,264,729.98/x - Step 3: Cross multiply
69,783,078.94x = 104,690,230.18 × 21,264,729.98 - Step 4: Simplify right side
69,783,078.94x = 2,226,209,476,333,911.75 - Step 5: Solve for x
x = 2,226,209,476,333,911.75/69,783,078.94 - Step 6: Final answer
x = 31,901,852.28
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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.