Finding the Fourth Proportional to 117,424,415.63, 162,036,243.45 and 67,867,999.08
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Solution
The fourth proportional to 117,424,415.63, 162,036,243.45 and 67,867,999.08 is: 93,652,376.83
Step by Step Solution
- Step 1: Write the proportion equation
117,424,415.63 : 162,036,243.45 = 67,867,999.08 : x - Step 2: Convert to fraction form
117,424,415.63/162,036,243.45 = 67,867,999.08/x - Step 3: Cross multiply
117,424,415.63x = 162,036,243.45 × 67,867,999.08 - Step 4: Simplify right side
117,424,415.63x = 10,997,075,621,695,072 - Step 5: Solve for x
x = 10,997,075,621,695,072/117,424,415.63 - Step 6: Final answer
x = 93,652,376.83
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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.