Finding the Fourth Proportional to 324,731,051.64, 448,193,953.80 and 192,645,364.14
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Solution
The fourth proportional to 324,731,051.64, 448,193,953.80 and 192,645,364.14 is: 265,889,224.33
Step by Step Solution
- Step 1: Write the proportion equation
324,731,051.64 : 448,193,953.80 = 192,645,364.14 : x - Step 2: Convert to fraction form
324,731,051.64/448,193,953.80 = 192,645,364.14/x - Step 3: Cross multiply
324,731,051.64x = 448,193,953.80 × 192,645,364.14 - Step 4: Simplify right side
324,731,051.64x = 86,342,487,435,147,328 - Step 5: Solve for x
x = 86,342,487,435,147,328/324,731,051.64 - Step 6: Final answer
x = 265,889,224.33
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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.