Finding the Fourth Proportional to 91,059,778.84, 136,589,901.54 and 37,207,090.84
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Solution
The fourth proportional to 91,059,778.84, 136,589,901.54 and 37,207,090.84 is: 55,810,731.58
Step by Step Solution
- Step 1: Write the proportion equation
91,059,778.84 : 136,589,901.54 = 37,207,090.84 : x - Step 2: Convert to fraction form
91,059,778.84/136,589,901.54 = 37,207,090.84/x - Step 3: Cross multiply
91,059,778.84x = 136,589,901.54 × 37,207,090.84 - Step 4: Simplify right side
91,059,778.84x = 5,082,112,874,425,436 - Step 5: Solve for x
x = 5,082,112,874,425,436/91,059,778.84 - Step 6: Final answer
x = 55,810,731.58
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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.