Finding the Fourth Proportional to 61,173,051.48, 84,420,637.97 and 37,665,149.99
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Solution
The fourth proportional to 61,173,051.48, 84,420,637.97 and 37,665,149.99 is: 51,979,031.84
Step by Step Solution
- Step 1: Write the proportion equation
61,173,051.48 : 84,420,637.97 = 37,665,149.99 : x - Step 2: Convert to fraction form
61,173,051.48/84,420,637.97 = 37,665,149.99/x - Step 3: Cross multiply
61,173,051.48x = 84,420,637.97 × 37,665,149.99 - Step 4: Simplify right side
61,173,051.48x = 3,179,715,990,781,110.50 - Step 5: Solve for x
x = 3,179,715,990,781,110.50/61,173,051.48 - Step 6: Final answer
x = 51,979,031.84
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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.