Finding the Fourth Proportional to 64,638,816.09, 96,957,585.12 and 29,613,995.51
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Solution
The fourth proportional to 64,638,816.09, 96,957,585.12 and 29,613,995.51 is: 44,420,700.50
Step by Step Solution
- Step 1: Write the proportion equation
64,638,816.09 : 96,957,585.12 = 29,613,995.51 : x - Step 2: Convert to fraction form
64,638,816.09/96,957,585.12 = 29,613,995.51/x - Step 3: Cross multiply
64,638,816.09x = 96,957,585.12 × 29,613,995.51 - Step 4: Simplify right side
64,638,816.09x = 2,871,301,490,030,387.50 - Step 5: Solve for x
x = 2,871,301,490,030,387.50/64,638,816.09 - Step 6: Final answer
x = 44,420,700.50
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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.