Finding the Fourth Proportional to 107,436,633.98, 161,038,344.68 and 70,533,037.42
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Solution
The fourth proportional to 107,436,633.98, 161,038,344.68 and 70,533,037.42 is: 105,723,003.14
Step by Step Solution
- Step 1: Write the proportion equation
107,436,633.98 : 161,038,344.68 = 70,533,037.42 : x - Step 2: Convert to fraction form
107,436,633.98/161,038,344.68 = 70,533,037.42/x - Step 3: Cross multiply
107,436,633.98x = 161,038,344.68 × 70,533,037.42 - Step 4: Simplify right side
107,436,633.98x = 11,358,523,591,369,298 - Step 5: Solve for x
x = 11,358,523,591,369,298/107,436,633.98 - Step 6: Final answer
x = 105,723,003.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.