Finding the Fourth Proportional to 68,418,817.79, 102,627,370.71 and 16,603,849.73
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Solution
The fourth proportional to 68,418,817.79, 102,627,370.71 and 16,603,849.73 is: 24,905,566.87
Step by Step Solution
- Step 1: Write the proportion equation
68,418,817.79 : 102,627,370.71 = 16,603,849.73 : x - Step 2: Convert to fraction form
68,418,817.79/102,627,370.71 = 16,603,849.73/x - Step 3: Cross multiply
68,418,817.79x = 102,627,370.71 × 16,603,849.73 - Step 4: Simplify right side
68,418,817.79x = 1,704,009,441,710,411.75 - Step 5: Solve for x
x = 1,704,009,441,710,411.75/68,418,817.79 - Step 6: Final answer
x = 24,905,566.87
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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.