Finding the Fourth Proportional to 238,025,684.93, 328,457,418.54 and 133,583,585.09
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Solution
The fourth proportional to 238,025,684.93, 328,457,418.54 and 133,583,585.09 is: 184,335,230.59
Step by Step Solution
- Step 1: Write the proportion equation
238,025,684.93 : 328,457,418.54 = 133,583,585.09 : x - Step 2: Convert to fraction form
238,025,684.93/328,457,418.54 = 133,583,585.09/x - Step 3: Cross multiply
238,025,684.93x = 328,457,418.54 × 133,583,585.09 - Step 4: Simplify right side
238,025,684.93x = 43,876,519,517,979,840 - Step 5: Solve for x
x = 43,876,519,517,979,840/238,025,684.93 - Step 6: Final answer
x = 184,335,230.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.