Finding the Fourth Proportional to 69,514,276.85, 104,271,415.28 and 53,421,456.05
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Solution
The fourth proportional to 69,514,276.85, 104,271,415.28 and 53,421,456.05 is: 80,132,184.08
Step by Step Solution
- Step 1: Write the proportion equation
69,514,276.85 : 104,271,415.28 = 53,421,456.05 : x - Step 2: Convert to fraction form
69,514,276.85/104,271,415.28 = 53,421,456.05/x - Step 3: Cross multiply
69,514,276.85x = 104,271,415.28 × 53,421,456.05 - Step 4: Simplify right side
69,514,276.85x = 5,570,330,828,384,711 - Step 5: Solve for x
x = 5,570,330,828,384,711/69,514,276.85 - Step 6: Final answer
x = 80,132,184.08
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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.