Finding the Fourth Proportional to 153,691,624.16, 230,520,398.16 and 38,676,197.60
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Solution
The fourth proportional to 153,691,624.16, 230,520,398.16 and 38,676,197.60 is: 58,010,008.80
Step by Step Solution
- Step 1: Write the proportion equation
153,691,624.16 : 230,520,398.16 = 38,676,197.60 : x - Step 2: Convert to fraction form
153,691,624.16/230,520,398.16 = 38,676,197.60/x - Step 3: Cross multiply
153,691,624.16x = 230,520,398.16 × 38,676,197.60 - Step 4: Simplify right side
153,691,624.16x = 8,915,652,470,066,837 - Step 5: Solve for x
x = 8,915,652,470,066,837/153,691,624.16 - Step 6: Final answer
x = 58,010,008.80
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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.