Finding the Fourth Proportional to 265,138,506.51, 365,902,479.33 and 147,663,817.91
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Solution
The fourth proportional to 265,138,506.51, 365,902,479.33 and 147,663,817.91 is: 203,782,384.50
Step by Step Solution
- Step 1: Write the proportion equation
265,138,506.51 : 365,902,479.33 = 147,663,817.91 : x - Step 2: Convert to fraction form
265,138,506.51/365,902,479.33 = 147,663,817.91/x - Step 3: Cross multiply
265,138,506.51x = 365,902,479.33 × 147,663,817.91 - Step 4: Simplify right side
265,138,506.51x = 54,030,557,080,602,656 - Step 5: Solve for x
x = 54,030,557,080,602,656/265,138,506.51 - Step 6: Final answer
x = 203,782,384.50
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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.