Finding the Fourth Proportional to 71,235,602.70, 106,853,404.05 and 17,382,914.70
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Solution
The fourth proportional to 71,235,602.70, 106,853,404.05 and 17,382,914.70 is: 26,074,372.05
Step by Step Solution
- Step 1: Write the proportion equation
71,235,602.70 : 106,853,404.05 = 17,382,914.70 : x - Step 2: Convert to fraction form
71,235,602.70/106,853,404.05 = 17,382,914.70/x - Step 3: Cross multiply
71,235,602.70x = 106,853,404.05 × 17,382,914.70 - Step 4: Simplify right side
71,235,602.70x = 1,857,423,608,005,784.50 - Step 5: Solve for x
x = 1,857,423,608,005,784.50/71,235,602.70 - Step 6: Final answer
x = 26,074,372.05
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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.