Finding the Fourth Proportional to 84,207,965.13, 126,181,751.13 and 65,720,073.96
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Solution
The fourth proportional to 84,207,965.13, 126,181,751.13 and 65,720,073.96 is: 98,478,499.08
Step by Step Solution
- Step 1: Write the proportion equation
84,207,965.13 : 126,181,751.13 = 65,720,073.96 : x - Step 2: Convert to fraction form
84,207,965.13/126,181,751.13 = 65,720,073.96/x - Step 3: Cross multiply
84,207,965.13x = 126,181,751.13 × 65,720,073.96 - Step 4: Simplify right side
84,207,965.13x = 8,292,674,016,665,913 - Step 5: Solve for x
x = 8,292,674,016,665,913/84,207,965.13 - Step 6: Final answer
x = 98,478,499.08
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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.