Finding the Fourth Proportional to 79,320,266.81, 109,472,658.87 and 44,514,867.12
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Solution
The fourth proportional to 79,320,266.81, 109,472,658.87 and 44,514,867.12 is: 61,436,516.28
Step by Step Solution
- Step 1: Write the proportion equation
79,320,266.81 : 109,472,658.87 = 44,514,867.12 : x - Step 2: Convert to fraction form
79,320,266.81/109,472,658.87 = 44,514,867.12/x - Step 3: Cross multiply
79,320,266.81x = 109,472,658.87 × 44,514,867.12 - Step 4: Simplify right side
79,320,266.81x = 4,873,160,862,871,139 - Step 5: Solve for x
x = 4,873,160,862,871,139/79,320,266.81 - Step 6: Final answer
x = 61,436,516.28
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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.