Finding the Fourth Proportional to 93,529,322.71, 129,042,117.39 and 65,270,943.99
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Solution
The fourth proportional to 93,529,322.71, 129,042,117.39 and 65,270,943.99 is: 90,054,119.64
Step by Step Solution
- Step 1: Write the proportion equation
93,529,322.71 : 129,042,117.39 = 65,270,943.99 : x - Step 2: Convert to fraction form
93,529,322.71/129,042,117.39 = 65,270,943.99/x - Step 3: Cross multiply
93,529,322.71x = 129,042,117.39 × 65,270,943.99 - Step 4: Simplify right side
93,529,322.71x = 8,422,700,816,758,461 - Step 5: Solve for x
x = 8,422,700,816,758,461/93,529,322.71 - Step 6: Final answer
x = 90,054,119.64
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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.