Finding the Fourth Proportional to 135,840,155.40, 203,781,672.39 and 58,117,563.08
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Solution
The fourth proportional to 135,840,155.40, 203,781,672.39 and 58,117,563.08 is: 87,185,517.15
Step by Step Solution
- Step 1: Write the proportion equation
135,840,155.40 : 203,781,672.39 = 58,117,563.08 : x - Step 2: Convert to fraction form
135,840,155.40/203,781,672.39 = 58,117,563.08/x - Step 3: Cross multiply
135,840,155.40x = 203,781,672.39 × 58,117,563.08 - Step 4: Simplify right side
135,840,155.40x = 11,843,294,198,654,810 - Step 5: Solve for x
x = 11,843,294,198,654,810/135,840,155.40 - Step 6: Final answer
x = 87,185,517.15
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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.