Finding the Fourth Proportional to 118,192,893.93, 177,148,290.73 and 55,009,911.31
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Solution
The fourth proportional to 118,192,893.93, 177,148,290.73 and 55,009,911.31 is: 82,449,218.71
Step by Step Solution
- Step 1: Write the proportion equation
118,192,893.93 : 177,148,290.73 = 55,009,911.31 : x - Step 2: Convert to fraction form
118,192,893.93/177,148,290.73 = 55,009,911.31/x - Step 3: Cross multiply
118,192,893.93x = 177,148,290.73 × 55,009,911.31 - Step 4: Simplify right side
118,192,893.93x = 9,744,911,761,775,394 - Step 5: Solve for x
x = 9,744,911,761,775,394/118,192,893.93 - Step 6: Final answer
x = 82,449,218.71
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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.