Finding the Fourth Proportional to 115,375,573.64, 159,218,327.50 and 63,167,925.18
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Solution
The fourth proportional to 115,375,573.64, 159,218,327.50 and 63,167,925.18 is: 87,171,756.39
Step by Step Solution
- Step 1: Write the proportion equation
115,375,573.64 : 159,218,327.50 = 63,167,925.18 : x - Step 2: Convert to fraction form
115,375,573.64/159,218,327.50 = 63,167,925.18/x - Step 3: Cross multiply
115,375,573.64x = 159,218,327.50 × 63,167,925.18 - Step 4: Simplify right side
115,375,573.64x = 10,057,491,398,804,736 - Step 5: Solve for x
x = 10,057,491,398,804,736/115,375,573.64 - Step 6: Final answer
x = 87,171,756.39
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.