Finding the Fourth Proportional to 202,663,703.91, 279,701,812.76 and 113,360,610.99
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Solution
The fourth proportional to 202,663,703.91, 279,701,812.76 and 113,360,610.99 is: 156,452,131.18
Step by Step Solution
- Step 1: Write the proportion equation
202,663,703.91 : 279,701,812.76 = 113,360,610.99 : x - Step 2: Convert to fraction form
202,663,703.91/279,701,812.76 = 113,360,610.99/x - Step 3: Cross multiply
202,663,703.91x = 279,701,812.76 × 113,360,610.99 - Step 4: Simplify right side
202,663,703.91x = 31,707,168,388,917,372 - Step 5: Solve for x
x = 31,707,168,388,917,372/202,663,703.91 - Step 6: Final answer
x = 156,452,131.18
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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.