Finding the Fourth Proportional to 77,163,624.29, 106,485,918.17 and 41,881,442.07
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Solution
The fourth proportional to 77,163,624.29, 106,485,918.17 and 41,881,442.07 is: 57,796,453.37
Step by Step Solution
- Step 1: Write the proportion equation
77,163,624.29 : 106,485,918.17 = 41,881,442.07 : x - Step 2: Convert to fraction form
77,163,624.29/106,485,918.17 = 41,881,442.07/x - Step 3: Cross multiply
77,163,624.29x = 106,485,918.17 × 41,881,442.07 - Step 4: Simplify right side
77,163,624.29x = 4,459,783,812,898,208.50 - Step 5: Solve for x
x = 4,459,783,812,898,208.50/77,163,624.29 - Step 6: Final answer
x = 57,796,453.37
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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.