Finding the Fourth Proportional to 88,548,516.40, 122,236,135.94 and 57,201,849.60
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Solution
The fourth proportional to 88,548,516.40, 122,236,135.94 and 57,201,849.60 is: 78,963,864.65
Step by Step Solution
- Step 1: Write the proportion equation
88,548,516.40 : 122,236,135.94 = 57,201,849.60 : x - Step 2: Convert to fraction form
88,548,516.40/122,236,135.94 = 57,201,849.60/x - Step 3: Cross multiply
88,548,516.40x = 122,236,135.94 × 57,201,849.60 - Step 4: Simplify right side
88,548,516.40x = 6,992,133,063,725,035 - Step 5: Solve for x
x = 6,992,133,063,725,035/88,548,516.40 - Step 6: Final answer
x = 78,963,864.65
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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.