Finding the Fourth Proportional to 121,279,546.05, 181,919,319.08 and 66,671,030.85
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Solution
The fourth proportional to 121,279,546.05, 181,919,319.08 and 66,671,030.85 is: 100,006,546.28
Step by Step Solution
- Step 1: Write the proportion equation
121,279,546.05 : 181,919,319.08 = 66,671,030.85 : x - Step 2: Convert to fraction form
121,279,546.05/181,919,319.08 = 66,671,030.85/x - Step 3: Cross multiply
121,279,546.05x = 181,919,319.08 × 66,671,030.85 - Step 4: Simplify right side
121,279,546.05x = 12,128,748,534,260,318 - Step 5: Solve for x
x = 12,128,748,534,260,318/121,279,546.05 - Step 6: Final answer
x = 100,006,546.28
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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.