Finding the Fourth Proportional to 124,466,236.88, 171,780,718.92 and 69,465,635.92
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Solution
The fourth proportional to 124,466,236.88, 171,780,718.92 and 69,465,635.92 is: 95,872,239.55
Step by Step Solution
- Step 1: Write the proportion equation
124,466,236.88 : 171,780,718.92 = 69,465,635.92 : x - Step 2: Convert to fraction form
124,466,236.88/171,780,718.92 = 69,465,635.92/x - Step 3: Cross multiply
124,466,236.88x = 171,780,718.92 × 69,465,635.92 - Step 4: Simplify right side
124,466,236.88x = 11,932,856,878,572,576 - Step 5: Solve for x
x = 11,932,856,878,572,576/124,466,236.88 - Step 6: Final answer
x = 95,872,239.55
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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.