Finding the Fourth Proportional to 83,424,601.20, 125,136,901.80 and 70,827,481.20
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Solution
The fourth proportional to 83,424,601.20, 125,136,901.80 and 70,827,481.20 is: 106,241,221.80
Step by Step Solution
- Step 1: Write the proportion equation
83,424,601.20 : 125,136,901.80 = 70,827,481.20 : x - Step 2: Convert to fraction form
83,424,601.20/125,136,901.80 = 70,827,481.20/x - Step 3: Cross multiply
83,424,601.20x = 125,136,901.80 × 70,827,481.20 - Step 4: Simplify right side
83,424,601.20x = 8,863,131,559,665,746 - Step 5: Solve for x
x = 8,863,131,559,665,746/83,424,601.20 - Step 6: Final answer
x = 106,241,221.80
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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.