Finding the Fourth Proportional to 106,439,462.91, 159,534,018.63 and 48,079,023.44
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Solution
The fourth proportional to 106,439,462.91, 159,534,018.63 and 48,079,023.44 is: 72,061,992.90
Step by Step Solution
- Step 1: Write the proportion equation
106,439,462.91 : 159,534,018.63 = 48,079,023.44 : x - Step 2: Convert to fraction form
106,439,462.91/159,534,018.63 = 48,079,023.44/x - Step 3: Cross multiply
106,439,462.91x = 159,534,018.63 × 48,079,023.44 - Step 4: Simplify right side
106,439,462.91x = 7,670,239,820,391,497 - Step 5: Solve for x
x = 7,670,239,820,391,497/106,439,462.91 - Step 6: Final answer
x = 72,061,992.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.