Finding the Fourth Proportional to 199,417,842.74, 275,242,539.48 and 116,938,199.54
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Solution
The fourth proportional to 199,417,842.74, 275,242,539.48 and 116,938,199.54 is: 161,401,640.70
Step by Step Solution
- Step 1: Write the proportion equation
199,417,842.74 : 275,242,539.48 = 116,938,199.54 : x - Step 2: Convert to fraction form
199,417,842.74/275,242,539.48 = 116,938,199.54/x - Step 3: Cross multiply
199,417,842.74x = 275,242,539.48 × 116,938,199.54 - Step 4: Simplify right side
199,417,842.74x = 32,186,367,002,232,356 - Step 5: Solve for x
x = 32,186,367,002,232,356/199,417,842.74 - Step 6: Final answer
x = 161,401,640.70
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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.