Finding the Fourth Proportional to 117,264,040.36, 161,827,353.96 and 64,340,734.06
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Solution
The fourth proportional to 117,264,040.36, 161,827,353.96 and 64,340,734.06 is: 88,791,847.12
Step by Step Solution
- Step 1: Write the proportion equation
117,264,040.36 : 161,827,353.96 = 64,340,734.06 : x - Step 2: Convert to fraction form
117,264,040.36/161,827,353.96 = 64,340,734.06/x - Step 3: Cross multiply
117,264,040.36x = 161,827,353.96 × 64,340,734.06 - Step 4: Simplify right side
117,264,040.36x = 10,412,090,744,773,848 - Step 5: Solve for x
x = 10,412,090,744,773,848/117,264,040.36 - Step 6: Final answer
x = 88,791,847.12
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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.