Finding the Fourth Proportional to 70,739,451.50, 97,619,444.53 and 39,799,546.97
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Solution
The fourth proportional to 70,739,451.50, 97,619,444.53 and 39,799,546.97 is: 54,922,813.01
Step by Step Solution
- Step 1: Write the proportion equation
70,739,451.50 : 97,619,444.53 = 39,799,546.97 : x - Step 2: Convert to fraction form
70,739,451.50/97,619,444.53 = 39,799,546.97/x - Step 3: Cross multiply
70,739,451.50x = 97,619,444.53 × 39,799,546.97 - Step 4: Simplify right side
70,739,451.50x = 3,885,209,667,169,449 - Step 5: Solve for x
x = 3,885,209,667,169,449/70,739,451.50 - Step 6: Final answer
x = 54,922,813.01
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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.