Finding the Fourth Proportional to 195,731,394.17, 270,119,020.35 and 121,415,899.14
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Solution
The fourth proportional to 195,731,394.17, 270,119,020.35 and 121,415,899.14 is: 167,559,955.68
Step by Step Solution
- Step 1: Write the proportion equation
195,731,394.17 : 270,119,020.35 = 121,415,899.14 : x - Step 2: Convert to fraction form
195,731,394.17/270,119,020.35 = 121,415,899.14/x - Step 3: Cross multiply
195,731,394.17x = 270,119,020.35 × 121,415,899.14 - Step 4: Simplify right side
195,731,394.17x = 32,796,743,730,799,592 - Step 5: Solve for x
x = 32,796,743,730,799,592/195,731,394.17 - Step 6: Final answer
x = 167,559,955.68
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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.