Finding the Fourth Proportional to 117,004,989.80, 175,507,484.70 and 82,992,765.80
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Solution
The fourth proportional to 117,004,989.80, 175,507,484.70 and 82,992,765.80 is: 124,489,148.70
Step by Step Solution
- Step 1: Write the proportion equation
117,004,989.80 : 175,507,484.70 = 82,992,765.80 : x - Step 2: Convert to fraction form
117,004,989.80/175,507,484.70 = 82,992,765.80/x - Step 3: Cross multiply
117,004,989.80x = 175,507,484.70 × 82,992,765.80 - Step 4: Simplify right side
117,004,989.80x = 14,565,851,573,854,182 - Step 5: Solve for x
x = 14,565,851,573,854,182/117,004,989.80 - Step 6: Final answer
x = 124,489,148.70
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1.5x scale
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.