Finding the Fourth Proportional to 79,544,939.96, 109,759,369.33 and 44,730,907.09
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Solution
The fourth proportional to 79,544,939.96, 109,759,369.33 and 44,730,907.09 is: 61,721,539.47
Step by Step Solution
- Step 1: Write the proportion equation
79,544,939.96 : 109,759,369.33 = 44,730,907.09 : x - Step 2: Convert to fraction form
79,544,939.96/109,759,369.33 = 44,730,907.09/x - Step 3: Cross multiply
79,544,939.96x = 109,759,369.33 × 44,730,907.09 - Step 4: Simplify right side
79,544,939.96x = 4,909,636,151,320,256 - Step 5: Solve for x
x = 4,909,636,151,320,256/79,544,939.96 - Step 6: Final answer
x = 61,721,539.47
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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.