Finding the Fourth Proportional to 125,398,995.63, 173,052,753.39 and 68,886,124.53
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Solution
The fourth proportional to 125,398,995.63, 173,052,753.39 and 68,886,124.53 is: 95,064,027.11
Step by Step Solution
- Step 1: Write the proportion equation
125,398,995.63 : 173,052,753.39 = 68,886,124.53 : x - Step 2: Convert to fraction form
125,398,995.63/173,052,753.39 = 68,886,124.53/x - Step 3: Cross multiply
125,398,995.63x = 173,052,753.39 × 68,886,124.53 - Step 4: Simplify right side
125,398,995.63x = 11,920,933,520,282,918 - Step 5: Solve for x
x = 11,920,933,520,282,918/125,398,995.63 - Step 6: Final answer
x = 95,064,027.11
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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.