Finding the Fourth Proportional to 86,361,419.94, 119,178,470.07 and 47,203,174.02
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Solution
The fourth proportional to 86,361,419.94, 119,178,470.07 and 47,203,174.02 is: 65,140,221.94
Step by Step Solution
- Step 1: Write the proportion equation
86,361,419.94 : 119,178,470.07 = 47,203,174.02 : x - Step 2: Convert to fraction form
86,361,419.94/119,178,470.07 = 47,203,174.02/x - Step 3: Cross multiply
86,361,419.94x = 119,178,470.07 × 47,203,174.02 - Step 4: Simplify right side
86,361,419.94x = 5,625,602,062,151,572 - Step 5: Solve for x
x = 5,625,602,062,151,572/86,361,419.94 - Step 6: Final answer
x = 65,140,221.94
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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.