Finding the Fourth Proportional to 195,686,873.21, 270,048,058.77 and 107,582,369.88
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Solution
The fourth proportional to 195,686,873.21, 270,048,058.77 and 107,582,369.88 is: 148,463,765.95
Step by Step Solution
- Step 1: Write the proportion equation
195,686,873.21 : 270,048,058.77 = 107,582,369.88 : x - Step 2: Convert to fraction form
195,686,873.21/270,048,058.77 = 107,582,369.88/x - Step 3: Cross multiply
195,686,873.21x = 270,048,058.77 × 107,582,369.88 - Step 4: Simplify right side
195,686,873.21x = 29,052,410,143,970,116 - Step 5: Solve for x
x = 29,052,410,143,970,116/195,686,873.21 - Step 6: Final answer
x = 148,463,765.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.