Finding the Fourth Proportional to 106,056,007.20, 159,154,869.60 and 48,518,661.60
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Solution
The fourth proportional to 106,056,007.20, 159,154,869.60 and 48,518,661.60 is: 72,810,408.99
Step by Step Solution
- Step 1: Write the proportion equation
106,056,007.20 : 159,154,869.60 = 48,518,661.60 : x - Step 2: Convert to fraction form
106,056,007.20/159,154,869.60 = 48,518,661.60/x - Step 3: Cross multiply
106,056,007.20x = 159,154,869.60 × 48,518,661.60 - Step 4: Simplify right side
106,056,007.20x = 7,721,981,260,114,527 - Step 5: Solve for x
x = 7,721,981,260,114,527/106,056,007.20 - Step 6: Final answer
x = 72,810,408.99
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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.