Finding the Fourth Proportional to 140,703,804.18, 194,171,268.18 and 77,983,951.36
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Solution
The fourth proportional to 140,703,804.18, 194,171,268.18 and 77,983,951.36 is: 107,617,863.08
Step by Step Solution
- Step 1: Write the proportion equation
140,703,804.18 : 194,171,268.18 = 77,983,951.36 : x - Step 2: Convert to fraction form
140,703,804.18/194,171,268.18 = 77,983,951.36/x - Step 3: Cross multiply
140,703,804.18x = 194,171,268.18 × 77,983,951.36 - Step 4: Simplify right side
140,703,804.18x = 15,142,242,733,258,636 - Step 5: Solve for x
x = 15,142,242,733,258,636/140,703,804.18 - Step 6: Final answer
x = 107,617,863.08
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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.