Finding the Fourth Proportional to 151,045,265,269.20, 208,443,312,713.16 and 85,939,690,986.09
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Solution
The fourth proportional to 151,045,265,269.20, 208,443,312,713.16 and 85,939,690,986.09 is: 118,597,255,271.52
Step by Step Solution
- Step 1: Write the proportion equation
151,045,265,269.20 : 208,443,312,713.16 = 85,939,690,986.09 : x - Step 2: Convert to fraction form
151,045,265,269.20/208,443,312,713.16 = 85,939,690,986.09/x - Step 3: Cross multiply
151,045,265,269.20x = 208,443,312,713.16 × 85,939,690,986.09 - Step 4: Simplify right side
151,045,265,269.20x = 17,913,553,882,685,894,557,696 - Step 5: Solve for x
x = 17,913,553,882,685,894,557,696/151,045,265,269.20 - Step 6: Final answer
x = 118,597,255,271.52
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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.