Finding the Fourth Proportional to 93,988,163.20, 129,705,901.68 and 52,738,106.44
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Solution
The fourth proportional to 93,988,163.20, 129,705,901.68 and 52,738,106.44 is: 72,779,841.80
Step by Step Solution
- Step 1: Write the proportion equation
93,988,163.20 : 129,705,901.68 = 52,738,106.44 : x - Step 2: Convert to fraction form
93,988,163.20/129,705,901.68 = 52,738,106.44/x - Step 3: Cross multiply
93,988,163.20x = 129,705,901.68 × 52,738,106.44 - Step 4: Simplify right side
93,988,163.20x = 6,840,443,648,696,015 - Step 5: Solve for x
x = 6,840,443,648,696,015/93,988,163.20 - Step 6: Final answer
x = 72,779,841.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.