Finding the Fourth Proportional to 43,877,101.80, 65,815,652.70 and 31,122,517.80
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Solution
The fourth proportional to 43,877,101.80, 65,815,652.70 and 31,122,517.80 is: 46,683,776.70
Step by Step Solution
- Step 1: Write the proportion equation
43,877,101.80 : 65,815,652.70 = 31,122,517.80 : x - Step 2: Convert to fraction form
43,877,101.80/65,815,652.70 = 31,122,517.80/x - Step 3: Cross multiply
43,877,101.80x = 65,815,652.70 × 31,122,517.80 - Step 4: Simplify right side
43,877,101.80x = 2,048,348,822,674,368.25 - Step 5: Solve for x
x = 2,048,348,822,674,368.25/43,877,101.80 - Step 6: Final answer
x = 46,683,776.70
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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.