Finding the Fourth Proportional to 175,508,215.68, 263,363,128.56 and 137,061,805.44
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Solution
The fourth proportional to 175,508,215.68, 263,363,128.56 and 137,061,805.44 is: 205,671,431.09
Step by Step Solution
- Step 1: Write the proportion equation
175,508,215.68 : 263,363,128.56 = 137,061,805.44 : x - Step 2: Convert to fraction form
175,508,215.68/263,363,128.56 = 137,061,805.44/x - Step 3: Cross multiply
175,508,215.68x = 263,363,128.56 × 137,061,805.44 - Step 4: Simplify right side
175,508,215.68x = 36,097,025,886,760,424 - Step 5: Solve for x
x = 36,097,025,886,760,424/175,508,215.68 - Step 6: Final answer
x = 205,671,431.09
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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.