Finding the Fourth Proportional to 229,749,245.49, 317,053,574.29 and 125,327,316.75
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Solution
The fourth proportional to 229,749,245.49, 317,053,574.29 and 125,327,316.75 is: 172,951,487.38
Step by Step Solution
- Step 1: Write the proportion equation
229,749,245.49 : 317,053,574.29 = 125,327,316.75 : x - Step 2: Convert to fraction form
229,749,245.49/317,053,574.29 = 125,327,316.75/x - Step 3: Cross multiply
229,749,245.49x = 317,053,574.29 × 125,327,316.75 - Step 4: Simplify right side
229,749,245.49x = 39,735,473,731,762,488 - Step 5: Solve for x
x = 39,735,473,731,762,488/229,749,245.49 - Step 6: Final answer
x = 172,951,487.38
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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.