Finding the Fourth Proportional to 113,467,402,277.70, 170,201,103,416.55 and 67,029,379,109.70
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Solution
The fourth proportional to 113,467,402,277.70, 170,201,103,416.55 and 67,029,379,109.70 is: 100,544,068,664.55
Step by Step Solution
- Step 1: Write the proportion equation
113,467,402,277.70 : 170,201,103,416.55 = 67,029,379,109.70 : x - Step 2: Convert to fraction form
113,467,402,277.70/170,201,103,416.55 = 67,029,379,109.70/x - Step 3: Cross multiply
113,467,402,277.70x = 170,201,103,416.55 × 67,029,379,109.70 - Step 4: Simplify right side
113,467,402,277.70x = 11,408,474,285,797,185,421,312 - Step 5: Solve for x
x = 11,408,474,285,797,185,421,312/113,467,402,277.70 - Step 6: Final answer
x = 100,544,068,664.55
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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.