Finding the Fourth Proportional to 159,770,531.80, 239,655,797.70 and 102,374,903.80
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Solution
The fourth proportional to 159,770,531.80, 239,655,797.70 and 102,374,903.80 is: 153,562,355.70
Step by Step Solution
- Step 1: Write the proportion equation
159,770,531.80 : 239,655,797.70 = 102,374,903.80 : x - Step 2: Convert to fraction form
159,770,531.80/239,655,797.70 = 102,374,903.80/x - Step 3: Cross multiply
159,770,531.80x = 239,655,797.70 × 102,374,903.80 - Step 4: Simplify right side
159,770,531.80x = 24,534,739,234,649,760 - Step 5: Solve for x
x = 24,534,739,234,649,760/159,770,531.80 - Step 6: Final answer
x = 153,562,355.70
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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.