Finding the Fourth Proportional to 83,791,796.79, 115,630,864.02 and 48,511,088.49
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Solution
The fourth proportional to 83,791,796.79, 115,630,864.02 and 48,511,088.49 is: 66,944,251.01
Step by Step Solution
- Step 1: Write the proportion equation
83,791,796.79 : 115,630,864.02 = 48,511,088.49 : x - Step 2: Convert to fraction form
83,791,796.79/115,630,864.02 = 48,511,088.49/x - Step 3: Cross multiply
83,791,796.79x = 115,630,864.02 × 48,511,088.49 - Step 4: Simplify right side
83,791,796.79x = 5,609,379,076,649,377 - Step 5: Solve for x
x = 5,609,379,076,649,377/83,791,796.79 - Step 6: Final answer
x = 66,944,251.01
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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.