Finding the Fourth Proportional to 61,158,139.74, 84,398,244.77 and 33,656,067.99
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Solution
The fourth proportional to 61,158,139.74, 84,398,244.77 and 33,656,067.99 is: 46,445,380.39
Step by Step Solution
- Step 1: Write the proportion equation
61,158,139.74 : 84,398,244.77 = 33,656,067.99 : x - Step 2: Convert to fraction form
61,158,139.74/84,398,244.77 = 33,656,067.99/x - Step 3: Cross multiply
61,158,139.74x = 84,398,244.77 × 33,656,067.99 - Step 4: Simplify right side
61,158,139.74x = 2,840,513,064,215,782 - Step 5: Solve for x
x = 2,840,513,064,215,782/61,158,139.74 - Step 6: Final answer
x = 46,445,380.39
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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.