Finding the Fourth Proportional to 86,765,165.33, 130,061,530.99 and 43,502,324.99
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Solution
The fourth proportional to 86,765,165.33, 130,061,530.99 and 43,502,324.99 is: 65,210,259.99
Step by Step Solution
- Step 1: Write the proportion equation
86,765,165.33 : 130,061,530.99 = 43,502,324.99 : x - Step 2: Convert to fraction form
86,765,165.33/130,061,530.99 = 43,502,324.99/x - Step 3: Cross multiply
86,765,165.33x = 130,061,530.99 × 43,502,324.99 - Step 4: Simplify right side
86,765,165.33x = 5,657,978,989,606,425 - Step 5: Solve for x
x = 5,657,978,989,606,425/86,765,165.33 - Step 6: Final answer
x = 65,210,259.99
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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.