Finding the Fourth Proportional to 82,919,572.26, 114,465,707.19 and 53,565,220.86
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Solution
The fourth proportional to 82,919,572.26, 114,465,707.19 and 53,565,220.86 is: 73,943,710.99
Step by Step Solution
- Step 1: Write the proportion equation
82,919,572.26 : 114,465,707.19 = 53,565,220.86 : x - Step 2: Convert to fraction form
82,919,572.26/114,465,707.19 = 53,565,220.86/x - Step 3: Cross multiply
82,919,572.26x = 114,465,707.19 × 53,565,220.86 - Step 4: Simplify right side
82,919,572.26x = 6,131,380,886,528,440 - Step 5: Solve for x
x = 6,131,380,886,528,440/82,919,572.26 - Step 6: Final answer
x = 73,943,710.99
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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.