Finding the Fourth Proportional to 179,012,354.86, 246,825,689.99 and 122,524,312.01
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Solution
The fourth proportional to 179,012,354.86, 246,825,689.99 and 122,524,312.01 is: 168,938,886.24
Step by Step Solution
- Step 1: Write the proportion equation
179,012,354.86 : 246,825,689.99 = 122,524,312.01 : x - Step 2: Convert to fraction form
179,012,354.86/246,825,689.99 = 122,524,312.01/x - Step 3: Cross multiply
179,012,354.86x = 246,825,689.99 × 122,524,312.01 - Step 4: Simplify right side
179,012,354.86x = 30,242,147,853,341,672 - Step 5: Solve for x
x = 30,242,147,853,341,672/179,012,354.86 - Step 6: Final answer
x = 168,938,886.24
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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.