Finding the Fourth Proportional to 293,416,727.60, 440,125,091.40 and 88,918,230.80
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Solution
The fourth proportional to 293,416,727.60, 440,125,091.40 and 88,918,230.80 is: 133,377,346.20
Step by Step Solution
- Step 1: Write the proportion equation
293,416,727.60 : 440,125,091.40 = 88,918,230.80 : x - Step 2: Convert to fraction form
293,416,727.60/440,125,091.40 = 88,918,230.80/x - Step 3: Cross multiply
293,416,727.60x = 440,125,091.40 × 88,918,230.80 - Step 4: Simplify right side
293,416,727.60x = 39,135,144,457,976,288 - Step 5: Solve for x
x = 39,135,144,457,976,288/293,416,727.60 - Step 6: Final answer
x = 133,377,346.20
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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.