Finding the Fourth Proportional to 212,542,473.60, 293,299,551.24 and 118,451,613.84
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Solution
The fourth proportional to 212,542,473.60, 293,299,551.24 and 118,451,613.84 is: 163,458,176.59
Step by Step Solution
- Step 1: Write the proportion equation
212,542,473.60 : 293,299,551.24 = 118,451,613.84 : x - Step 2: Convert to fraction form
212,542,473.60/293,299,551.24 = 118,451,613.84/x - Step 3: Cross multiply
212,542,473.60x = 293,299,551.24 × 118,451,613.84 - Step 4: Simplify right side
212,542,473.60x = 34,741,805,182,925,776 - Step 5: Solve for x
x = 34,741,805,182,925,776/212,542,473.60 - Step 6: Final answer
x = 163,458,176.59
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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.