Finding the Fourth Proportional to 181,417,190.61, 250,376,977.36 and 103,112,514.70
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Solution
The fourth proportional to 181,417,190.61, 250,376,977.36 and 103,112,514.70 is: 142,307,350.65
Step by Step Solution
- Step 1: Write the proportion equation
181,417,190.61 : 250,376,977.36 = 103,112,514.70 : x - Step 2: Convert to fraction form
181,417,190.61/250,376,977.36 = 103,112,514.70/x - Step 3: Cross multiply
181,417,190.61x = 250,376,977.36 × 103,112,514.70 - Step 4: Simplify right side
181,417,190.61x = 25,816,999,758,077,520 - Step 5: Solve for x
x = 25,816,999,758,077,520/181,417,190.61 - Step 6: Final answer
x = 142,307,350.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.