Finding the Fourth Proportional to 74,944,512.12, 103,445,419.14 and 43,589,935.92
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Solution
The fourth proportional to 74,944,512.12, 103,445,419.14 and 43,589,935.92 is: 60,166,903.01
Step by Step Solution
- Step 1: Write the proportion equation
74,944,512.12 : 103,445,419.14 = 43,589,935.92 : x - Step 2: Convert to fraction form
74,944,512.12/103,445,419.14 = 43,589,935.92/x - Step 3: Cross multiply
74,944,512.12x = 103,445,419.14 × 43,589,935.92 - Step 4: Simplify right side
74,944,512.12x = 4,509,179,191,530,142 - Step 5: Solve for x
x = 4,509,179,191,530,142/74,944,512.12 - Step 6: Final answer
x = 60,166,903.01
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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.