Finding the Fourth Proportional to 37,775,107.80, 56,662,661.70 and 30,216,835.80
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Solution
The fourth proportional to 37,775,107.80, 56,662,661.70 and 30,216,835.80 is: 45,325,253.70
Step by Step Solution
- Step 1: Write the proportion equation
37,775,107.80 : 56,662,661.70 = 30,216,835.80 : x - Step 2: Convert to fraction form
37,775,107.80/56,662,661.70 = 30,216,835.80/x - Step 3: Cross multiply
37,775,107.80x = 56,662,661.70 × 30,216,835.80 - Step 4: Simplify right side
37,775,107.80x = 1,712,166,344,579,849 - Step 5: Solve for x
x = 1,712,166,344,579,849/37,775,107.80 - Step 6: Final answer
x = 45,325,253.70
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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.