Finding the Fourth Proportional to 85,065,936.01, 127,621,610.21 and 30,484,038.99
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Solution
The fourth proportional to 85,065,936.01, 127,621,610.21 and 30,484,038.99 is: 45,734,195.43
Step by Step Solution
- Step 1: Write the proportion equation
85,065,936.01 : 127,621,610.21 = 30,484,038.99 : x - Step 2: Convert to fraction form
85,065,936.01/127,621,610.21 = 30,484,038.99/x - Step 3: Cross multiply
85,065,936.01x = 127,621,610.21 × 30,484,038.99 - Step 4: Simplify right side
85,065,936.01x = 3,890,422,141,455,801.50 - Step 5: Solve for x
x = 3,890,422,141,455,801.50/85,065,936.01 - Step 6: Final answer
x = 45,734,195.43
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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.