Finding the Fourth Proportional to 71,263,822.20, 106,852,430.70 and 28,083,256.80
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Solution
The fourth proportional to 71,263,822.20, 106,852,430.70 and 28,083,256.80 is: 42,107,820.75
Step by Step Solution
- Step 1: Write the proportion equation
71,263,822.20 : 106,852,430.70 = 28,083,256.80 : x - Step 2: Convert to fraction form
71,263,822.20/106,852,430.70 = 28,083,256.80/x - Step 3: Cross multiply
71,263,822.20x = 106,852,430.70 × 28,083,256.80 - Step 4: Simplify right side
71,263,822.20x = 3,000,764,251,052,304 - Step 5: Solve for x
x = 3,000,764,251,052,304/71,263,822.20 - Step 6: Final answer
x = 42,107,820.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.