Finding the Fourth Proportional to 86,889,934,529.20, 130,334,901,793.80 and 31,055,467,610.80
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Solution
The fourth proportional to 86,889,934,529.20, 130,334,901,793.80 and 31,055,467,610.80 is: 46,583,201,416.20
Step by Step Solution
- Step 1: Write the proportion equation
86,889,934,529.20 : 130,334,901,793.80 = 31,055,467,610.80 : x - Step 2: Convert to fraction form
86,889,934,529.20/130,334,901,793.80 = 31,055,467,610.80/x - Step 3: Cross multiply
86,889,934,529.20x = 130,334,901,793.80 × 31,055,467,610.80 - Step 4: Simplify right side
86,889,934,529.20x = 4,047,611,321,214,154,833,920 - Step 5: Solve for x
x = 4,047,611,321,214,154,833,920/86,889,934,529.20 - Step 6: Final answer
x = 46,583,201,416.20
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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.