Finding the Fourth Proportional to 118,492,340.94, 163,453,583.07 and 68,927,138.46
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Solution
The fourth proportional to 118,492,340.94, 163,453,583.07 and 68,927,138.46 is: 95,081,147.55
Step by Step Solution
- Step 1: Write the proportion equation
118,492,340.94 : 163,453,583.07 = 68,927,138.46 : x - Step 2: Convert to fraction form
118,492,340.94/163,453,583.07 = 68,927,138.46/x - Step 3: Cross multiply
118,492,340.94x = 163,453,583.07 × 68,927,138.46 - Step 4: Simplify right side
118,492,340.94x = 11,266,387,752,049,000 - Step 5: Solve for x
x = 11,266,387,752,049,000/118,492,340.94 - Step 6: Final answer
x = 95,081,147.55
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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.