Finding the Fourth Proportional to 68,103,524.64, 93,984,848.92 and 37,165,686.80
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Solution
The fourth proportional to 68,103,524.64, 93,984,848.92 and 37,165,686.80 is: 51,289,731.00
Step by Step Solution
- Step 1: Write the proportion equation
68,103,524.64 : 93,984,848.92 = 37,165,686.80 : x - Step 2: Convert to fraction form
68,103,524.64/93,984,848.92 = 37,165,686.80/x - Step 3: Cross multiply
68,103,524.64x = 93,984,848.92 × 37,165,686.80 - Step 4: Simplify right side
68,103,524.64x = 3,493,011,458,906,038 - Step 5: Solve for x
x = 3,493,011,458,906,038/68,103,524.64 - Step 6: Final answer
x = 51,289,731.00
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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.