Finding the Fourth Proportional to 180,574,211.44, 249,213,684.90 and 107,235,353.44
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Solution
The fourth proportional to 180,574,211.44, 249,213,684.90 and 107,235,353.44 is: 147,997,420.95
Step by Step Solution
- Step 1: Write the proportion equation
180,574,211.44 : 249,213,684.90 = 107,235,353.44 : x - Step 2: Convert to fraction form
180,574,211.44/249,213,684.90 = 107,235,353.44/x - Step 3: Cross multiply
180,574,211.44x = 249,213,684.90 × 107,235,353.44 - Step 4: Simplify right side
180,574,211.44x = 26,724,517,582,336,292 - Step 5: Solve for x
x = 26,724,517,582,336,292/180,574,211.44 - Step 6: Final answer
x = 147,997,420.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.