Finding the Fourth Proportional to 140,293,986.57, 193,563,179.53 and 97,906,418.49
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Solution
The fourth proportional to 140,293,986.57, 193,563,179.53 and 97,906,418.49 is: 135,081,182.90
Step by Step Solution
- Step 1: Write the proportion equation
140,293,986.57 : 193,563,179.53 = 97,906,418.49 : x - Step 2: Convert to fraction form
140,293,986.57/193,563,179.53 = 97,906,418.49/x - Step 3: Cross multiply
140,293,986.57x = 193,563,179.53 × 97,906,418.49 - Step 4: Simplify right side
140,293,986.57x = 18,951,077,659,319,180 - Step 5: Solve for x
x = 18,951,077,659,319,180/140,293,986.57 - Step 6: Final answer
x = 135,081,182.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.