Finding the Fourth Proportional to 55,004,750.20, 82,507,140.58 and 20,456,637.99
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Solution
The fourth proportional to 55,004,750.20, 82,507,140.58 and 20,456,637.99 is: 30,684,962.67
Step by Step Solution
- Step 1: Write the proportion equation
55,004,750.20 : 82,507,140.58 = 20,456,637.99 : x - Step 2: Convert to fraction form
55,004,750.20/82,507,140.58 = 20,456,637.99/x - Step 3: Cross multiply
55,004,750.20x = 82,507,140.58 × 20,456,637.99 - Step 4: Simplify right side
55,004,750.20x = 1,687,818,706,435,098.50 - Step 5: Solve for x
x = 1,687,818,706,435,098.50/55,004,750.20 - Step 6: Final answer
x = 30,684,962.67
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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.