Finding the Fourth Proportional to 222,264,885.12, 306,725,541.48 and 124,479,741.12
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Solution
The fourth proportional to 222,264,885.12, 306,725,541.48 and 124,479,741.12 is: 171,782,042.75
Step by Step Solution
- Step 1: Write the proportion equation
222,264,885.12 : 306,725,541.48 = 124,479,741.12 : x - Step 2: Convert to fraction form
222,264,885.12/306,725,541.48 = 124,479,741.12/x - Step 3: Cross multiply
222,264,885.12x = 306,725,541.48 × 124,479,741.12 - Step 4: Simplify right side
222,264,885.12x = 38,181,115,998,322,224 - Step 5: Solve for x
x = 38,181,115,998,322,224/222,264,885.12 - Step 6: Final answer
x = 171,782,042.75
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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.