Finding the Fourth Proportional to 125,880,497.08, 172,456,896.16 and 121,162,531
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Solution
The fourth proportional to 125,880,497.08, 172,456,896.16 and 121,162,531 is: 165,993,259.57
Step by Step Solution
- Step 1: Write the proportion equation
125,880,497.08 : 172,456,896.16 = 121,162,531 : x - Step 2: Convert to fraction form
125,880,497.08/172,456,896.16 = 121,162,531/x - Step 3: Cross multiply
125,880,497.08x = 172,456,896.16 × 121,162,531 - Step 4: Simplify right side
125,880,497.08x = 20,895,314,027,149,780 - Step 5: Solve for x
x = 20,895,314,027,149,780/125,880,497.08 - Step 6: Final answer
x = 165,993,259.57
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.