Finding the Fourth Proportional to 131,154,159.84, 195,880,913.81 and 118,833,506.97
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Solution
The fourth proportional to 131,154,159.84, 195,880,913.81 and 118,833,506.97 is: 177,479,814.32
Step by Step Solution
- Step 1: Write the proportion equation
131,154,159.84 : 195,880,913.81 = 118,833,506.97 : x - Step 2: Convert to fraction form
131,154,159.84/195,880,913.81 = 118,833,506.97/x - Step 3: Cross multiply
131,154,159.84x = 195,880,913.81 × 118,833,506.97 - Step 4: Simplify right side
131,154,159.84x = 23,277,215,935,936,436 - Step 5: Solve for x
x = 23,277,215,935,936,436/131,154,159.84 - Step 6: Final answer
x = 177,479,814.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.