Finding the Fourth Proportional to 168,531,943.74, 252,797,912.55 and 47,363,395.74
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Solution
The fourth proportional to 168,531,943.74, 252,797,912.55 and 47,363,395.74 is: 71,045,092.75
Step by Step Solution
- Step 1: Write the proportion equation
168,531,943.74 : 252,797,912.55 = 47,363,395.74 : x - Step 2: Convert to fraction form
168,531,943.74/252,797,912.55 = 47,363,395.74/x - Step 3: Cross multiply
168,531,943.74x = 252,797,912.55 × 47,363,395.74 - Step 4: Simplify right side
168,531,943.74x = 11,973,367,574,351,564 - Step 5: Solve for x
x = 11,973,367,574,351,564/168,531,943.74 - Step 6: Final answer
x = 71,045,092.75
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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.