Finding the Fourth Proportional to 181,794,752.80, 272,692,129.20 and 124,399,124.80
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Solution
The fourth proportional to 181,794,752.80, 272,692,129.20 and 124,399,124.80 is: 186,598,687.20
Step by Step Solution
- Step 1: Write the proportion equation
181,794,752.80 : 272,692,129.20 = 124,399,124.80 : x - Step 2: Convert to fraction form
181,794,752.80/272,692,129.20 = 124,399,124.80/x - Step 3: Cross multiply
181,794,752.80x = 272,692,129.20 × 124,399,124.80 - Step 4: Simplify right side
181,794,752.80x = 33,922,662,212,328,520 - Step 5: Solve for x
x = 33,922,662,212,328,520/181,794,752.80 - Step 6: Final answer
x = 186,598,687.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.