Finding the Fourth Proportional to 93,802,585.79, 129,447,580.68 and 51,989,350.64
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Solution
The fourth proportional to 93,802,585.79, 129,447,580.68 and 51,989,350.64 is: 71,745,310.69
Step by Step Solution
- Step 1: Write the proportion equation
93,802,585.79 : 129,447,580.68 = 51,989,350.64 : x - Step 2: Convert to fraction form
93,802,585.79/129,447,580.68 = 51,989,350.64/x - Step 3: Cross multiply
93,802,585.79x = 129,447,580.68 × 51,989,350.64 - Step 4: Simplify right side
93,802,585.79x = 6,729,895,660,824,972 - Step 5: Solve for x
x = 6,729,895,660,824,972/93,802,585.79 - Step 6: Final answer
x = 71,745,310.69
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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.