Finding the Fourth Proportional to 99,632,761.20, 149,443,827.36 and 26,848,373.28
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Solution
The fourth proportional to 99,632,761.20, 149,443,827.36 and 26,848,373.28 is: 40,271,127.82
Step by Step Solution
- Step 1: Write the proportion equation
99,632,761.20 : 149,443,827.36 = 26,848,373.28 : x - Step 2: Convert to fraction form
99,632,761.20/149,443,827.36 = 26,848,373.28/x - Step 3: Cross multiply
99,632,761.20x = 149,443,827.36 × 26,848,373.28 - Step 4: Simplify right side
99,632,761.20x = 4,012,323,661,353,157.50 - Step 5: Solve for x
x = 4,012,323,661,353,157.50/99,632,761.20 - Step 6: Final answer
x = 40,271,127.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.