Finding the Fourth Proportional to 248,594,059.62, 343,068,084.09 and 135,569,718.23
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Solution
The fourth proportional to 248,594,059.62, 343,068,084.09 and 135,569,718.23 is: 187,090,727.60
Step by Step Solution
- Step 1: Write the proportion equation
248,594,059.62 : 343,068,084.09 = 135,569,718.23 : x - Step 2: Convert to fraction form
248,594,059.62/343,068,084.09 = 135,569,718.23/x - Step 3: Cross multiply
248,594,059.62x = 343,068,084.09 × 135,569,718.23 - Step 4: Simplify right side
248,594,059.62x = 46,509,643,492,071,896 - Step 5: Solve for x
x = 46,509,643,492,071,896/248,594,059.62 - Step 6: Final answer
x = 187,090,727.60
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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.