Finding the Fourth Proportional to 263,781,824.16, 364,062,507.12 and 146,344,989.84
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Solution
The fourth proportional to 263,781,824.16, 364,062,507.12 and 146,344,989.84 is: 201,980,269.40
Step by Step Solution
- Step 1: Write the proportion equation
263,781,824.16 : 364,062,507.12 = 146,344,989.84 : x - Step 2: Convert to fraction form
263,781,824.16/364,062,507.12 = 146,344,989.84/x - Step 3: Cross multiply
263,781,824.16x = 364,062,507.12 × 146,344,989.84 - Step 4: Simplify right side
263,781,824.16x = 53,278,723,905,601,328 - Step 5: Solve for x
x = 53,278,723,905,601,328/263,781,824.16 - Step 6: Final answer
x = 201,980,269.40
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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.