Finding the Fourth Proportional to 176,232,194.07, 243,206,991.27 and 105,679,290.99
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Solution
The fourth proportional to 176,232,194.07, 243,206,991.27 and 105,679,290.99 is: 145,841,357.40
Step by Step Solution
- Step 1: Write the proportion equation
176,232,194.07 : 243,206,991.27 = 105,679,290.99 : x - Step 2: Convert to fraction form
176,232,194.07/243,206,991.27 = 105,679,290.99/x - Step 3: Cross multiply
176,232,194.07x = 243,206,991.27 × 105,679,290.99 - Step 4: Simplify right side
176,232,194.07x = 25,701,942,401,224,720 - Step 5: Solve for x
x = 25,701,942,401,224,720/176,232,194.07 - Step 6: Final answer
x = 145,841,357.40
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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.