Finding the Fourth Proportional to 135,255,132.62, 186,632,170.14 and 75,713,334.08
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Solution
The fourth proportional to 135,255,132.62, 186,632,170.14 and 75,713,334.08 is: 104,473,254.17
Step by Step Solution
- Step 1: Write the proportion equation
135,255,132.62 : 186,632,170.14 = 75,713,334.08 : x - Step 2: Convert to fraction form
135,255,132.62/186,632,170.14 = 75,713,334.08/x - Step 3: Cross multiply
135,255,132.62x = 186,632,170.14 × 75,713,334.08 - Step 4: Simplify right side
135,255,132.62x = 14,130,543,846,952,058 - Step 5: Solve for x
x = 14,130,543,846,952,058/135,255,132.62 - Step 6: Final answer
x = 104,473,254.17
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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.