Finding the Fourth Proportional to 55,742,175.29, 83,614,103.84 and 19,351,721.81
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Solution
The fourth proportional to 55,742,175.29, 83,614,103.84 and 19,351,721.81 is: 29,027,874.65
Step by Step Solution
- Step 1: Write the proportion equation
55,742,175.29 : 83,614,103.84 = 19,351,721.81 : x - Step 2: Convert to fraction form
55,742,175.29/83,614,103.84 = 19,351,721.81/x - Step 3: Cross multiply
55,742,175.29x = 83,614,103.84 × 19,351,721.81 - Step 4: Simplify right side
55,742,175.29x = 1,618,076,876,904,132.75 - Step 5: Solve for x
x = 1,618,076,876,904,132.75/55,742,175.29 - Step 6: Final answer
x = 29,027,874.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.