Finding the Fourth Proportional to 351,234,769.55, 526,647,934.85 and 132,901,977.79
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Solution
The fourth proportional to 351,234,769.55, 526,647,934.85 and 132,901,977.79 is: 199,275,693.08
Step by Step Solution
- Step 1: Write the proportion equation
351,234,769.55 : 526,647,934.85 = 132,901,977.79 : x - Step 2: Convert to fraction form
351,234,769.55/526,647,934.85 = 132,901,977.79/x - Step 3: Cross multiply
351,234,769.55x = 526,647,934.85 × 132,901,977.79 - Step 4: Simplify right side
351,234,769.55x = 69,992,552,137,612,848 - Step 5: Solve for x
x = 69,992,552,137,612,848/351,234,769.55 - Step 6: Final answer
x = 199,275,693.08
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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.