Finding the Fourth Proportional to 197,540,317.17, 272,622,378.09 and 109,461,943.04
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Solution
The fourth proportional to 197,540,317.17, 272,622,378.09 and 109,461,943.04 is: 151,066,757.65
Step by Step Solution
- Step 1: Write the proportion equation
197,540,317.17 : 272,622,378.09 = 109,461,943.04 : x - Step 2: Convert to fraction form
197,540,317.17/272,622,378.09 = 109,461,943.04/x - Step 3: Cross multiply
197,540,317.17x = 272,622,378.09 × 109,461,943.04 - Step 4: Simplify right side
197,540,317.17x = 29,841,775,220,006,500 - Step 5: Solve for x
x = 29,841,775,220,006,500/197,540,317.17 - Step 6: Final answer
x = 151,066,757.65
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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.