Finding the Fourth Proportional to 75,748,318.02, 113,442,119.19 and 48,369,806.37
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Solution
The fourth proportional to 75,748,318.02, 113,442,119.19 and 48,369,806.37 is: 72,439,540.35
Step by Step Solution
- Step 1: Write the proportion equation
75,748,318.02 : 113,442,119.19 = 48,369,806.37 : x - Step 2: Convert to fraction form
75,748,318.02/113,442,119.19 = 48,369,806.37/x - Step 3: Cross multiply
75,748,318.02x = 113,442,119.19 × 48,369,806.37 - Step 4: Simplify right side
75,748,318.02x = 5,487,173,339,422,761 - Step 5: Solve for x
x = 5,487,173,339,422,761/75,748,318.02 - Step 6: Final answer
x = 72,439,540.35
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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.