Finding the Fourth Proportional to 54,297,140.28, 74,929,381.74 and 29,850,640.44
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Solution
The fourth proportional to 54,297,140.28, 74,929,381.74 and 29,850,640.44 is: 41,193,514.45
Step by Step Solution
- Step 1: Write the proportion equation
54,297,140.28 : 74,929,381.74 = 29,850,640.44 : x - Step 2: Convert to fraction form
54,297,140.28/74,929,381.74 = 29,850,640.44/x - Step 3: Cross multiply
54,297,140.28x = 74,929,381.74 × 29,850,640.44 - Step 4: Simplify right side
54,297,140.28x = 2,236,690,032,712,241.50 - Step 5: Solve for x
x = 2,236,690,032,712,241.50/54,297,140.28 - Step 6: Final answer
x = 41,193,514.45
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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.