Finding the Fourth Proportional to 84,564,199.80, 126,846,299.70 and 57,283,561.80
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Solution
The fourth proportional to 84,564,199.80, 126,846,299.70 and 57,283,561.80 is: 85,925,342.70
Step by Step Solution
- Step 1: Write the proportion equation
84,564,199.80 : 126,846,299.70 = 57,283,561.80 : x - Step 2: Convert to fraction form
84,564,199.80/126,846,299.70 = 57,283,561.80/x - Step 3: Cross multiply
84,564,199.80x = 126,846,299.70 × 57,283,561.80 - Step 4: Simplify right side
84,564,199.80x = 7,266,207,847,966,271 - Step 5: Solve for x
x = 7,266,207,847,966,271/84,564,199.80 - Step 6: Final answer
x = 85,925,342.70
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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.