Finding the Fourth Proportional to 71,104,834.24, 106,657,251.37 and 19,986,853.05
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Solution
The fourth proportional to 71,104,834.24, 106,657,251.37 and 19,986,853.05 is: 29,980,279.58
Step by Step Solution
- Step 1: Write the proportion equation
71,104,834.24 : 106,657,251.37 = 19,986,853.05 : x - Step 2: Convert to fraction form
71,104,834.24/106,657,251.37 = 19,986,853.05/x - Step 3: Cross multiply
71,104,834.24x = 106,657,251.37 × 19,986,853.05 - Step 4: Simplify right side
71,104,834.24x = 2,131,742,809,799,134.25 - Step 5: Solve for x
x = 2,131,742,809,799,134.25/71,104,834.24 - Step 6: Final answer
x = 29,980,279.58
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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.