Finding the Fourth Proportional to 159,651,967.70, 239,477,951.55 and 159,651,967.70
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Solution
The fourth proportional to 159,651,967.70, 239,477,951.55 and 159,651,967.70 is: 239,477,951.55
Step by Step Solution
- Step 1: Write the proportion equation
159,651,967.70 : 239,477,951.55 = 159,651,967.70 : x - Step 2: Convert to fraction form
159,651,967.70/239,477,951.55 = 159,651,967.70/x - Step 3: Cross multiply
159,651,967.70x = 239,477,951.55 × 159,651,967.70 - Step 4: Simplify right side
159,651,967.70x = 38,233,126,185,722,760 - Step 5: Solve for x
x = 38,233,126,185,722,760/159,651,967.70 - Step 6: Final answer
x = 239,477,951.55
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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.