Finding the Fourth Proportional to 220,051,710.10, 330,077,565.15 and 203,423,511.70
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Solution
The fourth proportional to 220,051,710.10, 330,077,565.15 and 203,423,511.70 is: 305,135,267.55
Step by Step Solution
- Step 1: Write the proportion equation
220,051,710.10 : 330,077,565.15 = 203,423,511.70 : x - Step 2: Convert to fraction form
220,051,710.10/330,077,565.15 = 203,423,511.70/x - Step 3: Cross multiply
220,051,710.10x = 330,077,565.15 × 203,423,511.70 - Step 4: Simplify right side
220,051,710.10x = 67,145,537,436,198,528 - Step 5: Solve for x
x = 67,145,537,436,198,528/220,051,710.10 - Step 6: Final answer
x = 305,135,267.55
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1.5x scale
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.