Finding the Fourth Proportional to 71,490,049.09, 98,648,373.95 and 40,120,903.31
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Solution
The fourth proportional to 71,490,049.09, 98,648,373.95 and 40,120,903.31 is: 55,362,416.49
Step by Step Solution
- Step 1: Write the proportion equation
71,490,049.09 : 98,648,373.95 = 40,120,903.31 : x - Step 2: Convert to fraction form
71,490,049.09/98,648,373.95 = 40,120,903.31/x - Step 3: Cross multiply
71,490,049.09x = 98,648,373.95 × 40,120,903.31 - Step 4: Simplify right side
71,490,049.09x = 3,957,861,872,936,673 - Step 5: Solve for x
x = 3,957,861,872,936,673/71,490,049.09 - Step 6: Final answer
x = 55,362,416.49
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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.