Finding the Fourth Proportional to 74,744,277.80, 112,116,416.70 and 74,744,277.80
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Solution
The fourth proportional to 74,744,277.80, 112,116,416.70 and 74,744,277.80 is: 112,116,416.70
Step by Step Solution
- Step 1: Write the proportion equation
74,744,277.80 : 112,116,416.70 = 74,744,277.80 : x - Step 2: Convert to fraction form
74,744,277.80/112,116,416.70 = 74,744,277.80/x - Step 3: Cross multiply
74,744,277.80x = 112,116,416.70 × 74,744,277.80 - Step 4: Simplify right side
74,744,277.80x = 8,380,060,595,765,359 - Step 5: Solve for x
x = 8,380,060,595,765,359/74,744,277.80 - Step 6: Final answer
x = 112,116,416.70
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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.