Finding the Fourth Proportional to 182,918,602.48, 252,421,140.36 and 103,531,960.48
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Solution
The fourth proportional to 182,918,602.48, 252,421,140.36 and 103,531,960.48 is: 142,870,408.88
Step by Step Solution
- Step 1: Write the proportion equation
182,918,602.48 : 252,421,140.36 = 103,531,960.48 : x - Step 2: Convert to fraction form
182,918,602.48/252,421,140.36 = 103,531,960.48/x - Step 3: Cross multiply
182,918,602.48x = 252,421,140.36 × 103,531,960.48 - Step 4: Simplify right side
182,918,602.48x = 26,133,655,528,068,056 - Step 5: Solve for x
x = 26,133,655,528,068,056/182,918,602.48 - Step 6: Final answer
x = 142,870,408.88
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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.