Finding the Fourth Proportional to 120,830,790.12, 181,264,046.48 and 44,135,881.80
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Solution
The fourth proportional to 120,830,790.12, 181,264,046.48 and 44,135,881.80 is: 66,210,346.90
Step by Step Solution
- Step 1: Write the proportion equation
120,830,790.12 : 181,264,046.48 = 44,135,881.80 : x - Step 2: Convert to fraction form
120,830,790.12/181,264,046.48 = 44,135,881.80/x - Step 3: Cross multiply
120,830,790.12x = 181,264,046.48 × 44,135,881.80 - Step 4: Simplify right side
120,830,790.12x = 8,000,248,530,030,985 - Step 5: Solve for x
x = 8,000,248,530,030,985/120,830,790.12 - Step 6: Final answer
x = 66,210,346.90
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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.