Finding the Fourth Proportional to 75,213,930.75, 103,796,321.27 and 43,851,124.66
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Solution
The fourth proportional to 75,213,930.75, 103,796,321.27 and 43,851,124.66 is: 60,515,191.51
Step by Step Solution
- Step 1: Write the proportion equation
75,213,930.75 : 103,796,321.27 = 43,851,124.66 : x - Step 2: Convert to fraction form
75,213,930.75/103,796,321.27 = 43,851,124.66/x - Step 3: Cross multiply
75,213,930.75x = 103,796,321.27 × 43,851,124.66 - Step 4: Simplify right side
75,213,930.75x = 4,551,585,422,976,051 - Step 5: Solve for x
x = 4,551,585,422,976,051/75,213,930.75 - Step 6: Final answer
x = 60,515,191.51
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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.