Finding the Fourth Proportional to 198,763,623.48, 298,281,623.87 and 69,371,233.57
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Solution
The fourth proportional to 198,763,623.48, 298,281,623.87 and 69,371,233.57 is: 104,104,382.06
Step by Step Solution
- Step 1: Write the proportion equation
198,763,623.48 : 298,281,623.87 = 69,371,233.57 : x - Step 2: Convert to fraction form
198,763,623.48/298,281,623.87 = 69,371,233.57/x - Step 3: Cross multiply
198,763,623.48x = 298,281,623.87 × 69,371,233.57 - Step 4: Simplify right side
198,763,623.48x = 20,692,164,198,032,096 - Step 5: Solve for x
x = 20,692,164,198,032,096/198,763,623.48 - Step 6: Final answer
x = 104,104,382.06
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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.