Finding the Fourth Proportional to 124,477,601.70, 186,716,402.55 and 67,081,973.70
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Solution
The fourth proportional to 124,477,601.70, 186,716,402.55 and 67,081,973.70 is: 100,622,960.55
Step by Step Solution
- Step 1: Write the proportion equation
124,477,601.70 : 186,716,402.55 = 67,081,973.70 : x - Step 2: Convert to fraction form
124,477,601.70/186,716,402.55 = 67,081,973.70/x - Step 3: Cross multiply
124,477,601.70x = 186,716,402.55 × 67,081,973.70 - Step 4: Simplify right side
124,477,601.70x = 12,525,304,805,217,714 - Step 5: Solve for x
x = 12,525,304,805,217,714/124,477,601.70 - Step 6: Final answer
x = 100,622,960.55
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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.