Finding the Fourth Proportional to 142,316,288.68, 195,989,152.62 and 133,448,198.44
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Solution
The fourth proportional to 142,316,288.68, 195,989,152.62 and 133,448,198.44 is: 183,776,569.59
Step by Step Solution
- Step 1: Write the proportion equation
142,316,288.68 : 195,989,152.62 = 133,448,198.44 : x - Step 2: Convert to fraction form
142,316,288.68/195,989,152.62 = 133,448,198.44/x - Step 3: Cross multiply
142,316,288.68x = 195,989,152.62 × 133,448,198.44 - Step 4: Simplify right side
142,316,288.68x = 26,154,399,330,921,208 - Step 5: Solve for x
x = 26,154,399,330,921,208/142,316,288.68 - Step 6: Final answer
x = 183,776,569.59
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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.