Finding the Fourth Proportional to 150,210,164.48, 207,284,663.68 and 85,018,668.80
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Solution
The fourth proportional to 150,210,164.48, 207,284,663.68 and 85,018,668.80 is: 117,322,727.32
Step by Step Solution
- Step 1: Write the proportion equation
150,210,164.48 : 207,284,663.68 = 85,018,668.80 : x - Step 2: Convert to fraction form
150,210,164.48/207,284,663.68 = 85,018,668.80/x - Step 3: Cross multiply
150,210,164.48x = 207,284,663.68 × 85,018,668.80 - Step 4: Simplify right side
150,210,164.48x = 17,623,066,168,729,310 - Step 5: Solve for x
x = 17,623,066,168,729,310/150,210,164.48 - Step 6: Final answer
x = 117,322,727.32
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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.