Finding the Fourth Proportional to 190,851,804.80, 286,277,707.20 and 161,290,563.20
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Solution
The fourth proportional to 190,851,804.80, 286,277,707.20 and 161,290,563.20 is: 241,935,844.80
Step by Step Solution
- Step 1: Write the proportion equation
190,851,804.80 : 286,277,707.20 = 161,290,563.20 : x - Step 2: Convert to fraction form
190,851,804.80/286,277,707.20 = 161,290,563.20/x - Step 3: Cross multiply
190,851,804.80x = 286,277,707.20 × 161,290,563.20 - Step 4: Simplify right side
190,851,804.80x = 46,173,892,625,892,688 - Step 5: Solve for x
x = 46,173,892,625,892,688/190,851,804.80 - Step 6: Final answer
x = 241,935,844.80
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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.