Finding the Fourth Proportional to 82,893,313.60, 124,339,970.40 and 58,706,843.20
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Solution
The fourth proportional to 82,893,313.60, 124,339,970.40 and 58,706,843.20 is: 88,060,264.80
Step by Step Solution
- Step 1: Write the proportion equation
82,893,313.60 : 124,339,970.40 = 58,706,843.20 : x - Step 2: Convert to fraction form
82,893,313.60/124,339,970.40 = 58,706,843.20/x - Step 3: Cross multiply
82,893,313.60x = 124,339,970.40 × 58,706,843.20 - Step 4: Simplify right side
82,893,313.60x = 7,299,607,145,765,442 - Step 5: Solve for x
x = 7,299,607,145,765,442/82,893,313.60 - Step 6: Final answer
x = 88,060,264.80
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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.