Finding the Fourth Proportional to 121,563,305.40, 182,190,129.30 and 49,678,505.40
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Solution
The fourth proportional to 121,563,305.40, 182,190,129.30 and 49,678,505.40 is: 74,454,485.20
Step by Step Solution
- Step 1: Write the proportion equation
121,563,305.40 : 182,190,129.30 = 49,678,505.40 : x - Step 2: Convert to fraction form
121,563,305.40/182,190,129.30 = 49,678,505.40/x - Step 3: Cross multiply
121,563,305.40x = 182,190,129.30 × 49,678,505.40 - Step 4: Simplify right side
121,563,305.40x = 9,050,933,322,256,748 - Step 5: Solve for x
x = 9,050,933,322,256,748/121,563,305.40 - Step 6: Final answer
x = 74,454,485.20
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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.