Finding the Fourth Proportional to 267,402,817.23, 368,927,678.34 and 161,516,668.02
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Solution
The fourth proportional to 267,402,817.23, 368,927,678.34 and 161,516,668.02 is: 222,839,721.60
Step by Step Solution
- Step 1: Write the proportion equation
267,402,817.23 : 368,927,678.34 = 161,516,668.02 : x - Step 2: Convert to fraction form
267,402,817.23/368,927,678.34 = 161,516,668.02/x - Step 3: Cross multiply
267,402,817.23x = 368,927,678.34 × 161,516,668.02 - Step 4: Simplify right side
267,402,817.23x = 59,587,969,345,831,128 - Step 5: Solve for x
x = 59,587,969,345,831,128/267,402,817.23 - Step 6: Final answer
x = 222,839,721.60
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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.