Finding the Fourth Proportional to 61,241,855.80, 91,862,783.70 and 46,125,311.80
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Solution
The fourth proportional to 61,241,855.80, 91,862,783.70 and 46,125,311.80 is: 69,187,967.70
Step by Step Solution
- Step 1: Write the proportion equation
61,241,855.80 : 91,862,783.70 = 46,125,311.80 : x - Step 2: Convert to fraction form
61,241,855.80/91,862,783.70 = 46,125,311.80/x - Step 3: Cross multiply
61,241,855.80x = 91,862,783.70 × 46,125,311.80 - Step 4: Simplify right side
61,241,855.80x = 4,237,199,540,978,457.50 - Step 5: Solve for x
x = 4,237,199,540,978,457.50/61,241,855.80 - Step 6: Final answer
x = 69,187,967.70
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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.