Finding the Fourth Proportional to 261,705,889.00, 361,207,718.75 and 155,921,274
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Solution
The fourth proportional to 261,705,889.00, 361,207,718.75 and 155,921,274 is: 215,203,287.56
Step by Step Solution
- Step 1: Write the proportion equation
261,705,889.00 : 361,207,718.75 = 155,921,274 : x - Step 2: Convert to fraction form
261,705,889.00/361,207,718.75 = 155,921,274/x - Step 3: Cross multiply
261,705,889.00x = 361,207,718.75 × 155,921,274 - Step 4: Simplify right side
261,705,889.00x = 56,319,967,686,523,488 - Step 5: Solve for x
x = 56,319,967,686,523,488/261,705,889.00 - Step 6: Final answer
x = 215,203,287.56
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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.