Finding the Fourth Proportional to 68,102,811.99, 93,983,879.61 and 37,164,977.82
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Solution
The fourth proportional to 68,102,811.99, 93,983,879.61 and 37,164,977.82 is: 51,288,760.32
Step by Step Solution
- Step 1: Write the proportion equation
68,102,811.99 : 93,983,879.61 = 37,164,977.82 : x - Step 2: Convert to fraction form
68,102,811.99/93,983,879.61 = 37,164,977.82/x - Step 3: Cross multiply
68,102,811.99x = 93,983,879.61 × 37,164,977.82 - Step 4: Simplify right side
68,102,811.99x = 3,492,908,801,143,200.50 - Step 5: Solve for x
x = 3,492,908,801,143,200.50/68,102,811.99 - Step 6: Final answer
x = 51,288,760.32
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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.