Finding the Fourth Proportional to 79,722,468.09, 110,017,006.92 and 43,053,039.09
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Solution
The fourth proportional to 79,722,468.09, 110,017,006.92 and 43,053,039.09 is: 59,413,194.46
Step by Step Solution
- Step 1: Write the proportion equation
79,722,468.09 : 110,017,006.92 = 43,053,039.09 : x - Step 2: Convert to fraction form
79,722,468.09/110,017,006.92 = 43,053,039.09/x - Step 3: Cross multiply
79,722,468.09x = 110,017,006.92 × 43,053,039.09 - Step 4: Simplify right side
79,722,468.09x = 4,736,566,499,491,561 - Step 5: Solve for x
x = 4,736,566,499,491,561/79,722,468.09 - Step 6: Final answer
x = 59,413,194.46
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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.