Finding the Fourth Proportional to 180,211,518.70, 270,317,278.05 and 103,684,014.70
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Solution
The fourth proportional to 180,211,518.70, 270,317,278.05 and 103,684,014.70 is: 155,526,022.05
Step by Step Solution
- Step 1: Write the proportion equation
180,211,518.70 : 270,317,278.05 = 103,684,014.70 : x - Step 2: Convert to fraction form
180,211,518.70/270,317,278.05 = 103,684,014.70/x - Step 3: Cross multiply
180,211,518.70x = 270,317,278.05 × 103,684,014.70 - Step 4: Simplify right side
180,211,518.70x = 28,027,580,631,000,188 - Step 5: Solve for x
x = 28,027,580,631,000,188/180,211,518.70 - Step 6: Final answer
x = 155,526,022.05
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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.