Finding the Fourth Proportional to 193,471,483.74, 267,001,878.39 and 145,701,238.14
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Solution
The fourth proportional to 193,471,483.74, 267,001,878.39 and 145,701,238.14 is: 201,076,166.45
Step by Step Solution
- Step 1: Write the proportion equation
193,471,483.74 : 267,001,878.39 = 145,701,238.14 : x - Step 2: Convert to fraction form
193,471,483.74/267,001,878.39 = 145,701,238.14/x - Step 3: Cross multiply
193,471,483.74x = 267,001,878.39 × 145,701,238.14 - Step 4: Simplify right side
193,471,483.74x = 38,902,504,267,128,704 - Step 5: Solve for x
x = 38,902,504,267,128,704/193,471,483.74 - Step 6: Final answer
x = 201,076,166.45
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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.