Finding the Fourth Proportional to 87,149,692.80, 130,710,542.40 and 26,551,324.80
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Solution
The fourth proportional to 87,149,692.80, 130,710,542.40 and 26,551,324.80 is: 39,822,722.89
Step by Step Solution
- Step 1: Write the proportion equation
87,149,692.80 : 130,710,542.40 = 26,551,324.80 : x - Step 2: Convert to fraction form
87,149,692.80/130,710,542.40 = 26,551,324.80/x - Step 3: Cross multiply
87,149,692.80x = 130,710,542.40 × 26,551,324.80 - Step 4: Simplify right side
87,149,692.80x = 3,470,538,066,046,572 - Step 5: Solve for x
x = 3,470,538,066,046,572/87,149,692.80 - Step 6: Final answer
x = 39,822,722.89
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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.