Finding the Fourth Proportional to 72,693,263.08, 100,327,560.42 and 46,617,224.68
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Solution
The fourth proportional to 72,693,263.08, 100,327,560.42 and 46,617,224.68 is: 64,338,732.75
Step by Step Solution
- Step 1: Write the proportion equation
72,693,263.08 : 100,327,560.42 = 46,617,224.68 : x - Step 2: Convert to fraction form
72,693,263.08/100,327,560.42 = 46,617,224.68/x - Step 3: Cross multiply
72,693,263.08x = 100,327,560.42 × 46,617,224.68 - Step 4: Simplify right side
72,693,263.08x = 4,676,992,425,695,415 - Step 5: Solve for x
x = 4,676,992,425,695,415/72,693,263.08 - Step 6: Final answer
x = 64,338,732.75
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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.