Finding the Fourth Proportional to 56,823,476.70, 78,437,722.60 and 37,245,626.75
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Solution
The fourth proportional to 56,823,476.70, 78,437,722.60 and 37,245,626.75 is: 51,412,942.48
Step by Step Solution
- Step 1: Write the proportion equation
56,823,476.70 : 78,437,722.60 = 37,245,626.75 : x - Step 2: Convert to fraction form
56,823,476.70/78,437,722.60 = 37,245,626.75/x - Step 3: Cross multiply
56,823,476.70x = 78,437,722.60 × 37,245,626.75 - Step 4: Simplify right side
56,823,476.70x = 2,921,462,139,112,784 - Step 5: Solve for x
x = 2,921,462,139,112,784/56,823,476.70 - Step 6: Final answer
x = 51,412,942.48
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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.