Finding the Fourth Proportional to 160,126,662.44, 240,103,660.62 and 86,389,964.84
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Solution
The fourth proportional to 160,126,662.44, 240,103,660.62 and 86,389,964.84 is: 129,538,369.71
Step by Step Solution
- Step 1: Write the proportion equation
160,126,662.44 : 240,103,660.62 = 86,389,964.84 : x - Step 2: Convert to fraction form
160,126,662.44/240,103,660.62 = 86,389,964.84/x - Step 3: Cross multiply
160,126,662.44x = 240,103,660.62 × 86,389,964.84 - Step 4: Simplify right side
160,126,662.44x = 20,742,546,798,917,092 - Step 5: Solve for x
x = 20,742,546,798,917,092/160,126,662.44 - Step 6: Final answer
x = 129,538,369.71
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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.