Finding the Fourth Proportional to 207,440,692.20, 311,176,784.70 and 61,862,891.40
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Solution
The fourth proportional to 207,440,692.20, 311,176,784.70 and 61,862,891.40 is: 92,799,032.99
Step by Step Solution
- Step 1: Write the proportion equation
207,440,692.20 : 311,176,784.70 = 61,862,891.40 : x - Step 2: Convert to fraction form
207,440,692.20/311,176,784.70 = 61,862,891.40/x - Step 3: Cross multiply
207,440,692.20x = 311,176,784.70 × 61,862,891.40 - Step 4: Simplify right side
207,440,692.20x = 19,250,295,638,097,280 - Step 5: Solve for x
x = 19,250,295,638,097,280/207,440,692.20 - Step 6: Final answer
x = 92,799,032.99
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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.