Finding the Fourth Proportional to 75,748,318.52, 113,442,119.94 and 48,369,806.87
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Solution
The fourth proportional to 75,748,318.52, 113,442,119.94 and 48,369,806.87 is: 72,439,541.10
Step by Step Solution
- Step 1: Write the proportion equation
75,748,318.52 : 113,442,119.94 = 48,369,806.87 : x - Step 2: Convert to fraction form
75,748,318.52/113,442,119.94 = 48,369,806.87/x - Step 3: Cross multiply
75,748,318.52x = 113,442,119.94 × 48,369,806.87 - Step 4: Simplify right side
75,748,318.52x = 5,487,173,432,421,176 - Step 5: Solve for x
x = 5,487,173,432,421,176/75,748,318.52 - Step 6: Final answer
x = 72,439,541.10
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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.