Finding the Fourth Proportional to 222,232,699.14, 306,652,041.57 and 128,150,320.98
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Solution
The fourth proportional to 222,232,699.14, 306,652,041.57 and 128,150,320.98 is: 176,830,672.12
Step by Step Solution
- Step 1: Write the proportion equation
222,232,699.14 : 306,652,041.57 = 128,150,320.98 : x - Step 2: Convert to fraction form
222,232,699.14/306,652,041.57 = 128,150,320.98/x - Step 3: Cross multiply
222,232,699.14x = 306,652,041.57 × 128,150,320.98 - Step 4: Simplify right side
222,232,699.14x = 39,297,557,556,367,800 - Step 5: Solve for x
x = 39,297,557,556,367,800/222,232,699.14 - Step 6: Final answer
x = 176,830,672.12
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1.5x scale
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.