Finding the Fourth Proportional to 146,157,213.06, 201,671,318.84 and 83,404,659.78
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Solution
The fourth proportional to 146,157,213.06, 201,671,318.84 and 83,404,659.78 is: 115,083,801.77
Step by Step Solution
- Step 1: Write the proportion equation
146,157,213.06 : 201,671,318.84 = 83,404,659.78 : x - Step 2: Convert to fraction form
146,157,213.06/201,671,318.84 = 83,404,659.78/x - Step 3: Cross multiply
146,157,213.06x = 201,671,318.84 × 83,404,659.78 - Step 4: Simplify right side
146,157,213.06x = 16,820,327,734,817,082 - Step 5: Solve for x
x = 16,820,327,734,817,082/146,157,213.06 - Step 6: Final answer
x = 115,083,801.77
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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.