Finding the Fourth Proportional to 85,135,044.09, 117,486,356.34 and 45,976,817.06
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Solution
The fourth proportional to 85,135,044.09, 117,486,356.34 and 45,976,817.06 is: 63,448,005.10
Step by Step Solution
- Step 1: Write the proportion equation
85,135,044.09 : 117,486,356.34 = 45,976,817.06 : x - Step 2: Convert to fraction form
85,135,044.09/117,486,356.34 = 45,976,817.06/x - Step 3: Cross multiply
85,135,044.09x = 117,486,356.34 × 45,976,817.06 - Step 4: Simplify right side
85,135,044.09x = 5,401,648,711,902,720 - Step 5: Solve for x
x = 5,401,648,711,902,720/85,135,044.09 - Step 6: Final answer
x = 63,448,005.10
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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.