Finding the Fourth Proportional to 266,796,478.76, 368,190,646.35 and 147,719,073.24
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Solution
The fourth proportional to 266,796,478.76, 368,190,646.35 and 147,719,073.24 is: 203,858,691.50
Step by Step Solution
- Step 1: Write the proportion equation
266,796,478.76 : 368,190,646.35 = 147,719,073.24 : x - Step 2: Convert to fraction form
266,796,478.76/368,190,646.35 = 147,719,073.24/x - Step 3: Cross multiply
266,796,478.76x = 368,190,646.35 × 147,719,073.24 - Step 4: Simplify right side
266,796,478.76x = 54,388,781,054,821,168 - Step 5: Solve for x
x = 54,388,781,054,821,168/266,796,478.76 - Step 6: Final answer
x = 203,858,691.50
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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.