Finding the Fourth Proportional to 61,266,415.20, 91,899,622.80 and 56,589,734.40
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Solution
The fourth proportional to 61,266,415.20, 91,899,622.80 and 56,589,734.40 is: 84,884,601.60
Step by Step Solution
- Step 1: Write the proportion equation
61,266,415.20 : 91,899,622.80 = 56,589,734.40 : x - Step 2: Convert to fraction form
61,266,415.20/91,899,622.80 = 56,589,734.40/x - Step 3: Cross multiply
61,266,415.20x = 91,899,622.80 × 56,589,734.40 - Step 4: Simplify right side
61,266,415.20x = 5,200,575,245,712,184 - Step 5: Solve for x
x = 5,200,575,245,712,184/61,266,415.20 - Step 6: Final answer
x = 84,884,601.60
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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.