Finding the Fourth Proportional to 311,052,030.05, 466,578,045.09 and 106,512,126.05
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Solution
The fourth proportional to 311,052,030.05, 466,578,045.09 and 106,512,126.05 is: 159,768,189.08
Step by Step Solution
- Step 1: Write the proportion equation
311,052,030.05 : 466,578,045.09 = 106,512,126.05 : x - Step 2: Convert to fraction form
311,052,030.05/466,578,045.09 = 106,512,126.05/x - Step 3: Cross multiply
311,052,030.05x = 466,578,045.09 × 106,512,126.05 - Step 4: Simplify right side
311,052,030.05x = 49,696,219,550,788,656 - Step 5: Solve for x
x = 49,696,219,550,788,656/311,052,030.05 - Step 6: Final answer
x = 159,768,189.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.