Finding the Fourth Proportional to 91,096,359.84, 125,694,402.71 and 53,908,028.18
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Solution
The fourth proportional to 91,096,359.84, 125,694,402.71 and 53,908,028.18 is: 74,382,087.45
Step by Step Solution
- Step 1: Write the proportion equation
91,096,359.84 : 125,694,402.71 = 53,908,028.18 : x - Step 2: Convert to fraction form
91,096,359.84/125,694,402.71 = 53,908,028.18/x - Step 3: Cross multiply
91,096,359.84x = 125,694,402.71 × 53,908,028.18 - Step 4: Simplify right side
91,096,359.84x = 6,775,937,403,807,954 - Step 5: Solve for x
x = 6,775,937,403,807,954/91,096,359.84 - Step 6: Final answer
x = 74,382,087.45
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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.