Finding the Fourth Proportional to 54,183,867.76, 74,773,785.73 and 29,404,054.68
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Solution
The fourth proportional to 54,183,867.76, 74,773,785.73 and 29,404,054.68 is: 40,577,621.63
Step by Step Solution
- Step 1: Write the proportion equation
54,183,867.76 : 74,773,785.73 = 29,404,054.68 : x - Step 2: Convert to fraction form
54,183,867.76/74,773,785.73 = 29,404,054.68/x - Step 3: Cross multiply
54,183,867.76x = 74,773,785.73 × 29,404,054.68 - Step 4: Simplify right side
54,183,867.76x = 2,198,652,484,235,523.75 - Step 5: Solve for x
x = 2,198,652,484,235,523.75/54,183,867.76 - Step 6: Final answer
x = 40,577,621.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.