Finding the Fourth Proportional to 122,027,333.91, 168,408,106.50 and 69,113,454.54
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Solution
The fourth proportional to 122,027,333.91, 168,408,106.50 and 69,113,454.54 is: 95,382,449.49
Step by Step Solution
- Step 1: Write the proportion equation
122,027,333.91 : 168,408,106.50 = 69,113,454.54 : x - Step 2: Convert to fraction form
122,027,333.91/168,408,106.50 = 69,113,454.54/x - Step 3: Cross multiply
122,027,333.91x = 168,408,106.50 × 69,113,454.54 - Step 4: Simplify right side
122,027,333.91x = 11,639,266,012,755,230 - Step 5: Solve for x
x = 11,639,266,012,755,230/122,027,333.91 - Step 6: Final answer
x = 95,382,449.49
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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.