Finding the Fourth Proportional to 125,398,996.63, 173,052,754.77 and 68,886,125.53
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Solution
The fourth proportional to 125,398,996.63, 173,052,754.77 and 68,886,125.53 is: 95,064,028.49
Step by Step Solution
- Step 1: Write the proportion equation
125,398,996.63 : 173,052,754.77 = 68,886,125.53 : x - Step 2: Convert to fraction form
125,398,996.63/173,052,754.77 = 68,886,125.53/x - Step 3: Cross multiply
125,398,996.63x = 173,052,754.77 × 68,886,125.53 - Step 4: Simplify right side
125,398,996.63x = 11,920,933,788,398,528 - Step 5: Solve for x
x = 11,920,933,788,398,528/125,398,996.63 - Step 6: Final answer
x = 95,064,028.49
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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.