Finding the Fourth Proportional to 135,087,276.47, 186,420,600.90 and 73,207,615.03
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Solution
The fourth proportional to 135,087,276.47, 186,420,600.90 and 73,207,615.03 is: 101,026,595.11
Step by Step Solution
- Step 1: Write the proportion equation
135,087,276.47 : 186,420,600.90 = 73,207,615.03 : x - Step 2: Convert to fraction form
135,087,276.47/186,420,600.90 = 73,207,615.03/x - Step 3: Cross multiply
135,087,276.47x = 186,420,600.90 × 73,207,615.03 - Step 4: Simplify right side
135,087,276.47x = 13,647,407,583,882,422 - Step 5: Solve for x
x = 13,647,407,583,882,422/135,087,276.47 - Step 6: Final answer
x = 101,026,595.11
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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.