Finding the Fourth Proportional to 168,487,330.50, 252,543,198.87 and 70,063,917.44
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Solution
The fourth proportional to 168,487,330.50, 252,543,198.87 and 70,063,917.44 is: 105,017,782.54
Step by Step Solution
- Step 1: Write the proportion equation
168,487,330.50 : 252,543,198.87 = 70,063,917.44 : x - Step 2: Convert to fraction form
168,487,330.50/252,543,198.87 = 70,063,917.44/x - Step 3: Cross multiply
168,487,330.50x = 252,543,198.87 × 70,063,917.44 - Step 4: Simplify right side
168,487,330.50x = 17,694,165,834,398,466 - Step 5: Solve for x
x = 17,694,165,834,398,466/168,487,330.50 - Step 6: Final answer
x = 105,017,782.54
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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.