Finding the Fourth Proportional to 232,578,736.65, 348,539,275.34 and 128,993,578.44
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Solution
The fourth proportional to 232,578,736.65, 348,539,275.34 and 128,993,578.44 is: 193,307,991.09
Step by Step Solution
- Step 1: Write the proportion equation
232,578,736.65 : 348,539,275.34 = 128,993,578.44 : x - Step 2: Convert to fraction form
232,578,736.65/348,539,275.34 = 128,993,578.44/x - Step 3: Cross multiply
232,578,736.65x = 348,539,275.34 × 128,993,578.44 - Step 4: Simplify right side
232,578,736.65x = 44,959,328,352,346,080 - Step 5: Solve for x
x = 44,959,328,352,346,080/232,578,736.65 - Step 6: Final answer
x = 193,307,991.09
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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.