Finding the Fourth Proportional to 103,662,237,422.07, 155,493,356,133.12 and 29,132,220,850.70
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Solution
The fourth proportional to 103,662,237,422.07, 155,493,356,133.12 and 29,132,220,850.70 is: 43,698,331,276.05
Step by Step Solution
- Step 1: Write the proportion equation
103,662,237,422.07 : 155,493,356,133.12 = 29,132,220,850.70 : x - Step 2: Convert to fraction form
103,662,237,422.07/155,493,356,133.12 = 29,132,220,850.70/x - Step 3: Cross multiply
103,662,237,422.07x = 155,493,356,133.12 × 29,132,220,850.70 - Step 4: Simplify right side
103,662,237,422.07x = 4,529,866,791,686,599,344,128 - Step 5: Solve for x
x = 4,529,866,791,686,599,344,128/103,662,237,422.07 - Step 6: Final answer
x = 43,698,331,276.05
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Double scale
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Similar ratio
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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.