Finding the Fourth Proportional to 101,137,422.26, 139,569,885.34 and 54,728,174.18
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Solution
The fourth proportional to 101,137,422.26, 139,569,885.34 and 54,728,174.18 is: 75,525,011.66
Step by Step Solution
- Step 1: Write the proportion equation
101,137,422.26 : 139,569,885.34 = 54,728,174.18 : x - Step 2: Convert to fraction form
101,137,422.26/139,569,885.34 = 54,728,174.18/x - Step 3: Cross multiply
101,137,422.26x = 139,569,885.34 × 54,728,174.18 - Step 4: Simplify right side
101,137,422.26x = 7,638,404,995,170,149 - Step 5: Solve for x
x = 7,638,404,995,170,149/101,137,422.26 - Step 6: Final answer
x = 75,525,011.66
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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.