Finding the Fourth Proportional to 112,001,454.05, 154,512,973.60 and 106,808,733.10
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Solution
The fourth proportional to 112,001,454.05, 154,512,973.60 and 106,808,733.10 is: 147,349,292.02
Step by Step Solution
- Step 1: Write the proportion equation
112,001,454.05 : 154,512,973.60 = 106,808,733.10 : x - Step 2: Convert to fraction form
112,001,454.05/154,512,973.60 = 106,808,733.10/x - Step 3: Cross multiply
112,001,454.05x = 154,512,973.60 × 106,808,733.10 - Step 4: Simplify right side
112,001,454.05x = 16,503,334,958,257,198 - Step 5: Solve for x
x = 16,503,334,958,257,198/112,001,454.05 - Step 6: Final answer
x = 147,349,292.02
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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.