Finding the Fourth Proportional to 180,920,429.68, 270,695,817.59 and 107,183,796.70
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Solution
The fourth proportional to 180,920,429.68, 270,695,817.59 and 107,183,796.70 is: 160,369,978.84
Step by Step Solution
- Step 1: Write the proportion equation
180,920,429.68 : 270,695,817.59 = 107,183,796.70 : x - Step 2: Convert to fraction form
180,920,429.68/270,695,817.59 = 107,183,796.70/x - Step 3: Cross multiply
180,920,429.68x = 270,695,817.59 × 107,183,796.70 - Step 4: Simplify right side
180,920,429.68x = 29,014,205,479,554,220 - Step 5: Solve for x
x = 29,014,205,479,554,220/180,920,429.68 - Step 6: Final answer
x = 160,369,978.84
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1.5x scale
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.