Finding the Fourth Proportional to 234,976,319.54, 324,276,072.21 and 140,905,782.08
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Solution
The fourth proportional to 234,976,319.54, 324,276,072.21 and 140,905,782.08 is: 194,455,227.04
Step by Step Solution
- Step 1: Write the proportion equation
234,976,319.54 : 324,276,072.21 = 140,905,782.08 : x - Step 2: Convert to fraction form
234,976,319.54/324,276,072.21 = 140,905,782.08/x - Step 3: Cross multiply
234,976,319.54x = 324,276,072.21 × 140,905,782.08 - Step 4: Simplify right side
234,976,319.54x = 45,692,373,564,580,608 - Step 5: Solve for x
x = 45,692,373,564,580,608/234,976,319.54 - Step 6: Final answer
x = 194,455,227.04
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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.