Finding the Fourth Proportional to 125,477,821.12, 188,216,879.64 and 39,216,679.96
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Solution
The fourth proportional to 125,477,821.12, 188,216,879.64 and 39,216,679.96 is: 58,825,066.18
Step by Step Solution
- Step 1: Write the proportion equation
125,477,821.12 : 188,216,879.64 = 39,216,679.96 : x - Step 2: Convert to fraction form
125,477,821.12/188,216,879.64 = 39,216,679.96/x - Step 3: Cross multiply
125,477,821.12x = 188,216,879.64 × 39,216,679.96 - Step 4: Simplify right side
125,477,821.12x = 7,381,241,131,911,720 - Step 5: Solve for x
x = 7,381,241,131,911,720/125,477,821.12 - Step 6: Final answer
x = 58,825,066.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.