Finding the Fourth Proportional to 199,417,845.74, 275,242,543.62 and 116,938,202.54
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Solution
The fourth proportional to 199,417,845.74, 275,242,543.62 and 116,938,202.54 is: 161,401,644.84
Step by Step Solution
- Step 1: Write the proportion equation
199,417,845.74 : 275,242,543.62 = 116,938,202.54 : x - Step 2: Convert to fraction form
199,417,845.74/275,242,543.62 = 116,938,202.54/x - Step 3: Cross multiply
199,417,845.74x = 275,242,543.62 × 116,938,202.54 - Step 4: Simplify right side
199,417,845.74x = 32,186,368,313,460,348 - Step 5: Solve for x
x = 32,186,368,313,460,348/199,417,845.74 - Step 6: Final answer
x = 161,401,644.84
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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.