Finding the Fourth Proportional to 43,330,328.87, 59,760,987.54 and 38,092,137.08
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Solution
The fourth proportional to 43,330,328.87, 59,760,987.54 and 38,092,137.08 is: 52,536,497.85
Step by Step Solution
- Step 1: Write the proportion equation
43,330,328.87 : 59,760,987.54 = 38,092,137.08 : x - Step 2: Convert to fraction form
43,330,328.87/59,760,987.54 = 38,092,137.08/x - Step 3: Cross multiply
43,330,328.87x = 59,760,987.54 × 38,092,137.08 - Step 4: Simplify right side
43,330,328.87x = 2,276,423,729,409,852 - Step 5: Solve for x
x = 2,276,423,729,409,852/43,330,328.87 - Step 6: Final answer
x = 52,536,497.85
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1.5x scale
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.