Finding the Fourth Proportional to 88,629,884.68, 122,329,648.20 and 51,972,265.48
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Solution
The fourth proportional to 88,629,884.68, 122,329,648.20 and 51,972,265.48 is: 71,733,693.16
Step by Step Solution
- Step 1: Write the proportion equation
88,629,884.68 : 122,329,648.20 = 51,972,265.48 : x - Step 2: Convert to fraction form
88,629,884.68/122,329,648.20 = 51,972,265.48/x - Step 3: Cross multiply
88,629,884.68x = 122,329,648.20 × 51,972,265.48 - Step 4: Simplify right side
88,629,884.68x = 6,357,748,952,325,404 - Step 5: Solve for x
x = 6,357,748,952,325,404/88,629,884.68 - Step 6: Final answer
x = 71,733,693.16
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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.