Finding the Fourth Proportional to 83,592,754.74, 115,344,160.40 and 48,313,845.02
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Solution
The fourth proportional to 83,592,754.74, 115,344,160.40 and 48,313,845.02 is: 66,665,106.40
Step by Step Solution
- Step 1: Write the proportion equation
83,592,754.74 : 115,344,160.40 = 48,313,845.02 : x - Step 2: Convert to fraction form
83,592,754.74/115,344,160.40 = 48,313,845.02/x - Step 3: Cross multiply
83,592,754.74x = 115,344,160.40 × 48,313,845.02 - Step 4: Simplify right side
83,592,754.74x = 5,572,719,889,323,049 - Step 5: Solve for x
x = 5,572,719,889,323,049/83,592,754.74 - Step 6: Final answer
x = 66,665,106.40
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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.