Finding the Fourth Proportional to 54,765,706.64, 75,576,693.02 and 29,987,463.81
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Solution
The fourth proportional to 54,765,706.64, 75,576,693.02 and 29,987,463.81 is: 41,382,709.83
Step by Step Solution
- Step 1: Write the proportion equation
54,765,706.64 : 75,576,693.02 = 29,987,463.81 : x - Step 2: Convert to fraction form
54,765,706.64/75,576,693.02 = 29,987,463.81/x - Step 3: Cross multiply
54,765,706.64x = 75,576,693.02 × 29,987,463.81 - Step 4: Simplify right side
54,765,706.64x = 2,266,353,346,666,792 - Step 5: Solve for x
x = 2,266,353,346,666,792/54,765,706.64 - Step 6: Final answer
x = 41,382,709.83
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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.