Finding the Fourth Proportional to 105,204,577.21, 145,179,594.17 and 58,795,212.49
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Solution
The fourth proportional to 105,204,577.21, 145,179,594.17 and 58,795,212.49 is: 81,135,871.79
Step by Step Solution
- Step 1: Write the proportion equation
105,204,577.21 : 145,179,594.17 = 58,795,212.49 : x - Step 2: Convert to fraction form
105,204,577.21/145,179,594.17 = 58,795,212.49/x - Step 3: Cross multiply
105,204,577.21x = 145,179,594.17 × 58,795,212.49 - Step 4: Simplify right side
105,204,577.21x = 8,535,865,088,000,671 - Step 5: Solve for x
x = 8,535,865,088,000,671/105,204,577.21 - Step 6: Final answer
x = 81,135,871.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.