Finding the Fourth Proportional to 253,074,252.42, 379,513,235.61 and 87,046,187.31
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Solution
The fourth proportional to 253,074,252.42, 379,513,235.61 and 87,046,187.31 is: 130,535,524.17
Step by Step Solution
- Step 1: Write the proportion equation
253,074,252.42 : 379,513,235.61 = 87,046,187.31 : x - Step 2: Convert to fraction form
253,074,252.42/379,513,235.61 = 87,046,187.31/x - Step 3: Cross multiply
253,074,252.42x = 379,513,235.61 × 87,046,187.31 - Step 4: Simplify right side
253,074,252.42x = 33,035,180,193,532,224 - Step 5: Solve for x
x = 33,035,180,193,532,224/253,074,252.42 - Step 6: Final answer
x = 130,535,524.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.