Finding the Fourth Proportional to 49,207,581.40, 73,811,372.10 and 46,576,948.45
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Solution
The fourth proportional to 49,207,581.40, 73,811,372.10 and 46,576,948.45 is: 69,865,422.68
Step by Step Solution
- Step 1: Write the proportion equation
49,207,581.40 : 73,811,372.10 = 46,576,948.45 : x - Step 2: Convert to fraction form
49,207,581.40/73,811,372.10 = 46,576,948.45/x - Step 3: Cross multiply
49,207,581.40x = 73,811,372.10 × 46,576,948.45 - Step 4: Simplify right side
49,207,581.40x = 3,437,908,473,325,468 - Step 5: Solve for x
x = 3,437,908,473,325,468/49,207,581.40 - Step 6: Final answer
x = 69,865,422.68
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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.