Finding the Fourth Proportional to 62,961,236.74, 86,926,623.69 and 51,386,410.18
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Solution
The fourth proportional to 62,961,236.74, 86,926,623.69 and 51,386,410.18 is: 70,945,987.91
Step by Step Solution
- Step 1: Write the proportion equation
62,961,236.74 : 86,926,623.69 = 51,386,410.18 : x - Step 2: Convert to fraction form
62,961,236.74/86,926,623.69 = 51,386,410.18/x - Step 3: Cross multiply
62,961,236.74x = 86,926,623.69 × 51,386,410.18 - Step 4: Simplify right side
62,961,236.74x = 4,466,847,140,496,845 - Step 5: Solve for x
x = 4,466,847,140,496,845/62,961,236.74 - Step 6: Final answer
x = 70,945,987.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.