Finding the Fourth Proportional to 188,395,706.96, 282,703,203.12 and 79,212,968.72
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Solution
The fourth proportional to 188,395,706.96, 282,703,203.12 and 79,212,968.72 is: 118,865,553.51
Step by Step Solution
- Step 1: Write the proportion equation
188,395,706.96 : 282,703,203.12 = 79,212,968.72 : x - Step 2: Convert to fraction form
188,395,706.96/282,703,203.12 = 79,212,968.72/x - Step 3: Cross multiply
188,395,706.96x = 282,703,203.12 × 79,212,968.72 - Step 4: Simplify right side
188,395,706.96x = 22,393,759,985,788,368 - Step 5: Solve for x
x = 22,393,759,985,788,368/188,395,706.96 - Step 6: Final answer
x = 118,865,553.51
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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.