Finding the Fourth Proportional to 108,262,513.44, 149,402,108.68 and 58,702,797.09
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Solution
The fourth proportional to 108,262,513.44, 149,402,108.68 and 58,702,797.09 is: 81,009,773.30
Step by Step Solution
- Step 1: Write the proportion equation
108,262,513.44 : 149,402,108.68 = 58,702,797.09 : x - Step 2: Convert to fraction form
108,262,513.44/149,402,108.68 = 58,702,797.09/x - Step 3: Cross multiply
108,262,513.44x = 149,402,108.68 × 58,702,797.09 - Step 4: Simplify right side
108,262,513.44x = 8,770,321,670,513,412 - Step 5: Solve for x
x = 8,770,321,670,513,412/108,262,513.44 - Step 6: Final answer
x = 81,009,773.30
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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.