Finding the Fourth Proportional to 162,154,818.99, 243,620,262.63 and 103,976,481.51
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Solution
The fourth proportional to 162,154,818.99, 243,620,262.63 and 103,976,481.51 is: 156,213,536.49
Step by Step Solution
- Step 1: Write the proportion equation
162,154,818.99 : 243,620,262.63 = 103,976,481.51 : x - Step 2: Convert to fraction form
162,154,818.99/243,620,262.63 = 103,976,481.51/x - Step 3: Cross multiply
162,154,818.99x = 243,620,262.63 × 103,976,481.51 - Step 4: Simplify right side
162,154,818.99x = 25,330,777,732,809,540 - Step 5: Solve for x
x = 25,330,777,732,809,540/162,154,818.99 - Step 6: Final answer
x = 156,213,536.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.