Finding the Fourth Proportional to 153,526,823.40, 229,954,311.90 and 133,371,431.40
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Solution
The fourth proportional to 153,526,823.40, 229,954,311.90 and 133,371,431.40 is: 199,765,324.75
Step by Step Solution
- Step 1: Write the proportion equation
153,526,823.40 : 229,954,311.90 = 133,371,431.40 : x - Step 2: Convert to fraction form
153,526,823.40/229,954,311.90 = 133,371,431.40/x - Step 3: Cross multiply
153,526,823.40x = 229,954,311.90 × 133,371,431.40 - Step 4: Simplify right side
153,526,823.40x = 30,669,335,734,705,056 - Step 5: Solve for x
x = 30,669,335,734,705,056/153,526,823.40 - Step 6: Final answer
x = 199,765,324.75
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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.