Finding the Fourth Proportional to 76,822,243.10, 115,233,364.65 and 48,156,796.70
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Solution
The fourth proportional to 76,822,243.10, 115,233,364.65 and 48,156,796.70 is: 72,235,195.05
Step by Step Solution
- Step 1: Write the proportion equation
76,822,243.10 : 115,233,364.65 = 48,156,796.70 : x - Step 2: Convert to fraction form
76,822,243.10/115,233,364.65 = 48,156,796.70/x - Step 3: Cross multiply
76,822,243.10x = 115,233,364.65 × 48,156,796.70 - Step 4: Simplify right side
76,822,243.10x = 5,549,269,714,507,017 - Step 5: Solve for x
x = 5,549,269,714,507,017/76,822,243.10 - Step 6: Final answer
x = 72,235,195.05
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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.