Finding the Fourth Proportional to 68,102,276.05, 93,983,134.85 and 37,164,439.45
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Solution
The fourth proportional to 68,102,276.05, 93,983,134.85 and 37,164,439.45 is: 51,288,014.54
Step by Step Solution
- Step 1: Write the proportion equation
68,102,276.05 : 93,983,134.85 = 37,164,439.45 : x - Step 2: Convert to fraction form
68,102,276.05/93,983,134.85 = 37,164,439.45/x - Step 3: Cross multiply
68,102,276.05x = 93,983,134.85 × 37,164,439.45 - Step 4: Simplify right side
68,102,276.05x = 3,492,830,524,454,010 - Step 5: Solve for x
x = 3,492,830,524,454,010/68,102,276.05 - Step 6: Final answer
x = 51,288,014.54
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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.