Finding the Fourth Proportional to 321,973,031.62, 482,857,162.01 and 103,572,536.49
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Solution
The fourth proportional to 321,973,031.62, 482,857,162.01 and 103,572,536.49 is: 155,325,869.31
Step by Step Solution
- Step 1: Write the proportion equation
321,973,031.62 : 482,857,162.01 = 103,572,536.49 : x - Step 2: Convert to fraction form
321,973,031.62/482,857,162.01 = 103,572,536.49/x - Step 3: Cross multiply
321,973,031.62x = 482,857,162.01 × 103,572,536.49 - Step 4: Simplify right side
321,973,031.62x = 50,010,741,031,318,064 - Step 5: Solve for x
x = 50,010,741,031,318,064/321,973,031.62 - Step 6: Final answer
x = 155,325,869.31
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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.