Finding the Fourth Proportional to 305,209,751.40, 457,842,620.70 and 100,738,276.20
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Solution
The fourth proportional to 305,209,751.40, 457,842,620.70 and 100,738,276.20 is: 151,116,653.94
Step by Step Solution
- Step 1: Write the proportion equation
305,209,751.40 : 457,842,620.70 = 100,738,276.20 : x - Step 2: Convert to fraction form
305,209,751.40/457,842,620.70 = 100,738,276.20/x - Step 3: Cross multiply
305,209,751.40x = 457,842,620.70 × 100,738,276.20 - Step 4: Simplify right side
305,209,751.40x = 46,122,276,380,208,440 - Step 5: Solve for x
x = 46,122,276,380,208,440/305,209,751.40 - Step 6: Final answer
x = 151,116,653.94
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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.