Finding the Fourth Proportional to 198,196,836.12, 297,298,250.37 and 68,808,557.97
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Solution
The fourth proportional to 198,196,836.12, 297,298,250.37 and 68,808,557.97 is: 103,213,877.15
Step by Step Solution
- Step 1: Write the proportion equation
198,196,836.12 : 297,298,250.37 = 68,808,557.97 : x - Step 2: Convert to fraction form
198,196,836.12/297,298,250.37 = 68,808,557.97/x - Step 3: Cross multiply
198,196,836.12x = 297,298,250.37 × 68,808,557.97 - Step 4: Simplify right side
198,196,836.12x = 20,456,663,894,963,720 - Step 5: Solve for x
x = 20,456,663,894,963,720/198,196,836.12 - Step 6: Final answer
x = 103,213,877.15
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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.