Finding the Fourth Proportional to 105,991,707.84, 146,246,935.42 and 61,930,184.68
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Solution
The fourth proportional to 105,991,707.84, 146,246,935.42 and 61,930,184.68 is: 85,451,021.64
Step by Step Solution
- Step 1: Write the proportion equation
105,991,707.84 : 146,246,935.42 = 61,930,184.68 : x - Step 2: Convert to fraction form
105,991,707.84/146,246,935.42 = 61,930,184.68/x - Step 3: Cross multiply
105,991,707.84x = 146,246,935.42 × 61,930,184.68 - Step 4: Simplify right side
105,991,707.84x = 9,057,099,719,704,854 - Step 5: Solve for x
x = 9,057,099,719,704,854/105,991,707.84 - Step 6: Final answer
x = 85,451,021.64
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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.