Finding the Fourth Proportional to 131,656,549.12, 181,617,155.58 and 81,404,704.11
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Solution
The fourth proportional to 131,656,549.12, 181,617,155.58 and 81,404,704.11 is: 112,295,901.03
Step by Step Solution
- Step 1: Write the proportion equation
131,656,549.12 : 181,617,155.58 = 81,404,704.11 : x - Step 2: Convert to fraction form
131,656,549.12/181,617,155.58 = 81,404,704.11/x - Step 3: Cross multiply
131,656,549.12x = 181,617,155.58 × 81,404,704.11 - Step 4: Simplify right side
131,656,549.12x = 14,784,490,809,974,626 - Step 5: Solve for x
x = 14,784,490,809,974,626/131,656,549.12 - Step 6: Final answer
x = 112,295,901.03
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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.