Finding the Fourth Proportional to 104,969,511.84, 144,857,988.60 and 58,559,765.64
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Solution
The fourth proportional to 104,969,511.84, 144,857,988.60 and 58,559,765.64 is: 80,812,511.32
Step by Step Solution
- Step 1: Write the proportion equation
104,969,511.84 : 144,857,988.60 = 58,559,765.64 : x - Step 2: Convert to fraction form
104,969,511.84/144,857,988.60 = 58,559,765.64/x - Step 3: Cross multiply
104,969,511.84x = 144,857,988.60 × 58,559,765.64 - Step 4: Simplify right side
104,969,511.84x = 8,482,849,863,497,791 - Step 5: Solve for x
x = 8,482,849,863,497,791/104,969,511.84 - Step 6: Final answer
x = 80,812,511.32
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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.