Finding the Fourth Proportional to 75,313,437.12, 112,926,260.46 and 29,201,435.76
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Solution
The fourth proportional to 75,313,437.12, 112,926,260.46 and 29,201,435.76 is: 43,785,134.05
Step by Step Solution
- Step 1: Write the proportion equation
75,313,437.12 : 112,926,260.46 = 29,201,435.76 : x - Step 2: Convert to fraction form
75,313,437.12/112,926,260.46 = 29,201,435.76/x - Step 3: Cross multiply
75,313,437.12x = 112,926,260.46 × 29,201,435.76 - Step 4: Simplify right side
75,313,437.12x = 3,297,608,940,439,718 - Step 5: Solve for x
x = 3,297,608,940,439,718/75,313,437.12 - Step 6: Final answer
x = 43,785,134.05
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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.