Finding the Fourth Proportional to 129,026,810.40, 193,390,916.40 and 52,311,904.80
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Solution
The fourth proportional to 129,026,810.40, 193,390,916.40 and 52,311,904.80 is: 78,407,326.17
Step by Step Solution
- Step 1: Write the proportion equation
129,026,810.40 : 193,390,916.40 = 52,311,904.80 : x - Step 2: Convert to fraction form
129,026,810.40/193,390,916.40 = 52,311,904.80/x - Step 3: Cross multiply
129,026,810.40x = 193,390,916.40 × 52,311,904.80 - Step 4: Simplify right side
129,026,810.40x = 10,116,647,207,901,558 - Step 5: Solve for x
x = 10,116,647,207,901,558/129,026,810.40 - Step 6: Final answer
x = 78,407,326.17
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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.