Finding the Fourth Proportional to 170,417,793.60, 255,626,690.40 and 115,998,235.20
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Solution
The fourth proportional to 170,417,793.60, 255,626,690.40 and 115,998,235.20 is: 173,997,352.80
Step by Step Solution
- Step 1: Write the proportion equation
170,417,793.60 : 255,626,690.40 = 115,998,235.20 : x - Step 2: Convert to fraction form
170,417,793.60/255,626,690.40 = 115,998,235.20/x - Step 3: Cross multiply
170,417,793.60x = 255,626,690.40 × 115,998,235.20 - Step 4: Simplify right side
170,417,793.60x = 29,652,244,956,416,784 - Step 5: Solve for x
x = 29,652,244,956,416,784/170,417,793.60 - Step 6: Final answer
x = 173,997,352.80
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1.5x scale
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.