Finding the Fourth Proportional to 125,398,995.13, 173,052,752.70 and 68,886,124.03
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Solution
The fourth proportional to 125,398,995.13, 173,052,752.70 and 68,886,124.03 is: 95,064,026.42
Step by Step Solution
- Step 1: Write the proportion equation
125,398,995.13 : 173,052,752.70 = 68,886,124.03 : x - Step 2: Convert to fraction form
125,398,995.13/173,052,752.70 = 68,886,124.03/x - Step 3: Cross multiply
125,398,995.13x = 173,052,752.70 × 68,886,124.03 - Step 4: Simplify right side
125,398,995.13x = 11,920,933,386,225,116 - Step 5: Solve for x
x = 11,920,933,386,225,116/125,398,995.13 - Step 6: Final answer
x = 95,064,026.42
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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.