Finding the Fourth Proportional to 57,424,193.36, 79,242,590.76 and 34,218,803.60
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Solution
The fourth proportional to 57,424,193.36, 79,242,590.76 and 34,218,803.60 is: 47,220,282.80
Step by Step Solution
- Step 1: Write the proportion equation
57,424,193.36 : 79,242,590.76 = 34,218,803.60 : x - Step 2: Convert to fraction form
57,424,193.36/79,242,590.76 = 34,218,803.60/x - Step 3: Cross multiply
57,424,193.36x = 79,242,590.76 × 34,218,803.60 - Step 4: Simplify right side
57,424,193.36x = 2,711,586,649,971,615 - Step 5: Solve for x
x = 2,711,586,649,971,615/57,424,193.36 - Step 6: Final answer
x = 47,220,282.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.