Finding the Fourth Proportional to 145,704,969.48, 201,073,383.05 and 79,625,475.56
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Solution
The fourth proportional to 145,704,969.48, 201,073,383.05 and 79,625,475.56 is: 109,883,443.27
Step by Step Solution
- Step 1: Write the proportion equation
145,704,969.48 : 201,073,383.05 = 79,625,475.56 : x - Step 2: Convert to fraction form
145,704,969.48/201,073,383.05 = 79,625,475.56/x - Step 3: Cross multiply
145,704,969.48x = 201,073,383.05 × 79,625,475.56 - Step 4: Simplify right side
145,704,969.48x = 16,010,563,747,918,848 - Step 5: Solve for x
x = 16,010,563,747,918,848/145,704,969.48 - Step 6: Final answer
x = 109,883,443.27
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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.