Finding the Fourth Proportional to 85,775,178.35, 118,370,660.24 and 46,616,957.12
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Solution
The fourth proportional to 85,775,178.35, 118,370,660.24 and 46,616,957.12 is: 64,331,897.63
Step by Step Solution
- Step 1: Write the proportion equation
85,775,178.35 : 118,370,660.24 = 46,616,957.12 : x - Step 2: Convert to fraction form
85,775,178.35/118,370,660.24 = 46,616,957.12/x - Step 3: Cross multiply
85,775,178.35x = 118,370,660.24 × 46,616,957.12 - Step 4: Simplify right side
85,775,178.35x = 5,518,079,992,441,084 - Step 5: Solve for x
x = 5,518,079,992,441,084/85,775,178.35 - Step 6: Final answer
x = 64,331,897.63
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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.