Finding the Fourth Proportional to 145,676,864.80, 201,028,091.29 and 79,599,631.42
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Solution
The fourth proportional to 145,676,864.80, 201,028,091.29 and 79,599,631.42 is: 109,844,222.65
Step by Step Solution
- Step 1: Write the proportion equation
145,676,864.80 : 201,028,091.29 = 79,599,631.42 : x - Step 2: Convert to fraction form
145,676,864.80/201,028,091.29 = 79,599,631.42/x - Step 3: Cross multiply
145,676,864.80x = 201,028,091.29 × 79,599,631.42 - Step 4: Simplify right side
145,676,864.80x = 16,001,761,971,750,112 - Step 5: Solve for x
x = 16,001,761,971,750,112/145,676,864.80 - Step 6: Final answer
x = 109,844,222.65
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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.