Finding the Fourth Proportional to 128,091,572.01, 192,149,169.57 and 41,830,430.85
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Solution
The fourth proportional to 128,091,572.01, 192,149,169.57 and 41,830,430.85 is: 62,749,503.53
Step by Step Solution
- Step 1: Write the proportion equation
128,091,572.01 : 192,149,169.57 = 41,830,430.85 : x - Step 2: Convert to fraction form
128,091,572.01/192,149,169.57 = 41,830,430.85/x - Step 3: Cross multiply
128,091,572.01x = 192,149,169.57 × 41,830,430.85 - Step 4: Simplify right side
128,091,572.01x = 8,037,682,550,582,809 - Step 5: Solve for x
x = 8,037,682,550,582,809/128,091,572.01 - Step 6: Final answer
x = 62,749,503.53
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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.