Finding the Fourth Proportional to 115,625,415.12, 173,533,542.84 and 58,134,025.68
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Solution
The fourth proportional to 115,625,415.12, 173,533,542.84 and 58,134,025.68 is: 87,249,013.77
Step by Step Solution
- Step 1: Write the proportion equation
115,625,415.12 : 173,533,542.84 = 58,134,025.68 : x - Step 2: Convert to fraction form
115,625,415.12/173,533,542.84 = 58,134,025.68/x - Step 3: Cross multiply
115,625,415.12x = 173,533,542.84 × 58,134,025.68 - Step 4: Simplify right side
115,625,415.12x = 10,088,203,435,801,940 - Step 5: Solve for x
x = 10,088,203,435,801,940/115,625,415.12 - Step 6: Final answer
x = 87,249,013.77
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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.