Finding the Fourth Proportional to 124,885,504.20, 187,512,405.81 and 69,661,233.09
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Solution
The fourth proportional to 124,885,504.20, 187,512,405.81 and 69,661,233.09 is: 104,594,568.38
Step by Step Solution
- Step 1: Write the proportion equation
124,885,504.20 : 187,512,405.81 = 69,661,233.09 : x - Step 2: Convert to fraction form
124,885,504.20/187,512,405.81 = 69,661,233.09/x - Step 3: Cross multiply
124,885,504.20x = 187,512,405.81 × 69,661,233.09 - Step 4: Simplify right side
124,885,504.20x = 13,062,345,408,397,082 - Step 5: Solve for x
x = 13,062,345,408,397,082/124,885,504.20 - Step 6: Final answer
x = 104,594,568.38
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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.