Finding the Fourth Proportional to 85,659,093.60, 128,332,751.04 and 76,475,793.12
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Solution
The fourth proportional to 85,659,093.60, 128,332,751.04 and 76,475,793.12 is: 114,574,512.83
Step by Step Solution
- Step 1: Write the proportion equation
85,659,093.60 : 128,332,751.04 = 76,475,793.12 : x - Step 2: Convert to fraction form
85,659,093.60/128,332,751.04 = 76,475,793.12/x - Step 3: Cross multiply
85,659,093.60x = 128,332,751.04 × 76,475,793.12 - Step 4: Simplify right side
85,659,093.60x = 9,814,348,919,055,506 - Step 5: Solve for x
x = 9,814,348,919,055,506/85,659,093.60 - Step 6: Final answer
x = 114,574,512.83
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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.