Finding the Fourth Proportional to 84,641,194.52, 116,806,128.30 and 47,479,712.42
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Solution
The fourth proportional to 84,641,194.52, 116,806,128.30 and 47,479,712.42 is: 65,522,721.08
Step by Step Solution
- Step 1: Write the proportion equation
84,641,194.52 : 116,806,128.30 = 47,479,712.42 : x - Step 2: Convert to fraction form
84,641,194.52/116,806,128.30 = 47,479,712.42/x - Step 3: Cross multiply
84,641,194.52x = 116,806,128.30 × 47,479,712.42 - Step 4: Simplify right side
84,641,194.52x = 5,545,921,380,577,624 - Step 5: Solve for x
x = 5,545,921,380,577,624/84,641,194.52 - Step 6: Final answer
x = 65,522,721.08
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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.