Finding the Fourth Proportional to 208,744,765.30, 288,059,884.02 and 115,931,251.84
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Solution
The fourth proportional to 208,744,765.30, 288,059,884.02 and 115,931,251.84 is: 159,980,744.48
Step by Step Solution
- Step 1: Write the proportion equation
208,744,765.30 : 288,059,884.02 = 115,931,251.84 : x - Step 2: Convert to fraction form
208,744,765.30/288,059,884.02 = 115,931,251.84/x - Step 3: Cross multiply
208,744,765.30x = 288,059,884.02 × 115,931,251.84 - Step 4: Simplify right side
208,744,765.30x = 33,395,142,959,323,812 - Step 5: Solve for x
x = 33,395,142,959,323,812/208,744,765.30 - Step 6: Final answer
x = 159,980,744.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.