Finding the Fourth Proportional to 138,076,299.17, 207,109,404.15 and 41,029,484.50
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Solution
The fourth proportional to 138,076,299.17, 207,109,404.15 and 41,029,484.50 is: 61,542,727.74
Step by Step Solution
- Step 1: Write the proportion equation
138,076,299.17 : 207,109,404.15 = 41,029,484.50 : x - Step 2: Convert to fraction form
138,076,299.17/207,109,404.15 = 41,029,484.50/x - Step 3: Cross multiply
138,076,299.17x = 207,109,404.15 × 41,029,484.50 - Step 4: Simplify right side
138,076,299.17x = 8,497,592,086,431,989 - Step 5: Solve for x
x = 8,497,592,086,431,989/138,076,299.17 - Step 6: Final answer
x = 61,542,727.74
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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.