Finding the Fourth Proportional to 48,871,576.51, 67,387,507.86 and 31,207,252.69
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Solution
The fourth proportional to 48,871,576.51, 67,387,507.86 and 31,207,252.69 is: 43,030,717.16
Step by Step Solution
- Step 1: Write the proportion equation
48,871,576.51 : 67,387,507.86 = 31,207,252.69 : x - Step 2: Convert to fraction form
48,871,576.51/67,387,507.86 = 31,207,252.69/x - Step 3: Cross multiply
48,871,576.51x = 67,387,507.86 × 31,207,252.69 - Step 4: Simplify right side
48,871,576.51x = 2,102,978,985,936,381.25 - Step 5: Solve for x
x = 2,102,978,985,936,381.25/48,871,576.51 - Step 6: Final answer
x = 43,030,717.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.