Finding the Fourth Proportional to 103,662,237,418.70, 155,493,356,128.05 and 29,132,220,847.33
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Solution
The fourth proportional to 103,662,237,418.70, 155,493,356,128.05 and 29,132,220,847.33 is: 43,698,331,270.99
Step by Step Solution
- Step 1: Write the proportion equation
103,662,237,418.70 : 155,493,356,128.05 = 29,132,220,847.33 : x - Step 2: Convert to fraction form
103,662,237,418.70/155,493,356,128.05 = 29,132,220,847.33/x - Step 3: Cross multiply
103,662,237,418.70x = 155,493,356,128.05 × 29,132,220,847.33 - Step 4: Simplify right side
103,662,237,418.70x = 4,529,866,791,014,108,758,016 - Step 5: Solve for x
x = 4,529,866,791,014,108,758,016/103,662,237,418.70 - Step 6: Final answer
x = 43,698,331,270.99
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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.