Finding the Fourth Proportional to 84,207,942.63, 126,181,717.38 and 65,720,051.46
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Solution
The fourth proportional to 84,207,942.63, 126,181,717.38 and 65,720,051.46 is: 98,478,465.34
Step by Step Solution
- Step 1: Write the proportion equation
84,207,942.63 : 126,181,717.38 = 65,720,051.46 : x - Step 2: Convert to fraction form
84,207,942.63/126,181,717.38 = 65,720,051.46/x - Step 3: Cross multiply
84,207,942.63x = 126,181,717.38 × 65,720,051.46 - Step 4: Simplify right side
84,207,942.63x = 8,292,668,959,524,776 - Step 5: Solve for x
x = 8,292,668,959,524,776/84,207,942.63 - Step 6: Final answer
x = 98,478,465.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.