Finding the Fourth Proportional to 71,342,804.70, 98,447,059.80 and 39,553,824.42
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Solution
The fourth proportional to 71,342,804.70, 98,447,059.80 and 39,553,824.42 is: 54,580,945.26
Step by Step Solution
- Step 1: Write the proportion equation
71,342,804.70 : 98,447,059.80 = 39,553,824.42 : x - Step 2: Convert to fraction form
71,342,804.70/98,447,059.80 = 39,553,824.42/x - Step 3: Cross multiply
71,342,804.70x = 98,447,059.80 × 39,553,824.42 - Step 4: Simplify right side
71,342,804.70x = 3,893,957,717,994,440.50 - Step 5: Solve for x
x = 3,893,957,717,994,440.50/71,342,804.70 - Step 6: Final answer
x = 54,580,945.26
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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.