Finding the Fourth Proportional to 54,194,372.78, 74,788,316.62 and 29,414,568.66
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Solution
The fourth proportional to 54,194,372.78, 74,788,316.62 and 29,414,568.66 is: 40,592,149.36
Step by Step Solution
- Step 1: Write the proportion equation
54,194,372.78 : 74,788,316.62 = 29,414,568.66 : x - Step 2: Convert to fraction form
54,194,372.78/74,788,316.62 = 29,414,568.66/x - Step 3: Cross multiply
54,194,372.78x = 74,788,316.62 × 29,414,568.66 - Step 4: Simplify right side
54,194,372.78x = 2,199,866,074,184,809.25 - Step 5: Solve for x
x = 2,199,866,074,184,809.25/54,194,372.78 - Step 6: Final answer
x = 40,592,149.36
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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.