Finding the Fourth Proportional to 66,764,276.70, 100,146,415.05 and 62,087,595.90
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Solution
The fourth proportional to 66,764,276.70, 100,146,415.05 and 62,087,595.90 is: 93,131,393.85
Step by Step Solution
- Step 1: Write the proportion equation
66,764,276.70 : 100,146,415.05 = 62,087,595.90 : x - Step 2: Convert to fraction form
66,764,276.70/100,146,415.05 = 62,087,595.90/x - Step 3: Cross multiply
66,764,276.70x = 100,146,415.05 × 62,087,595.90 - Step 4: Simplify right side
66,764,276.70x = 6,217,850,148,458,078 - Step 5: Solve for x
x = 6,217,850,148,458,078/66,764,276.70 - Step 6: Final answer
x = 93,131,393.85
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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.