Finding the Fourth Proportional to 116,992,534.71, 161,617,866.99 and 93,440,149.05
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Solution
The fourth proportional to 116,992,534.71, 161,617,866.99 and 93,440,149.05 is: 129,081,719.77
Step by Step Solution
- Step 1: Write the proportion equation
116,992,534.71 : 161,617,866.99 = 93,440,149.05 : x - Step 2: Convert to fraction form
116,992,534.71/161,617,866.99 = 93,440,149.05/x - Step 3: Cross multiply
116,992,534.71x = 161,617,866.99 × 93,440,149.05 - Step 4: Simplify right side
116,992,534.71x = 15,101,597,580,688,676 - Step 5: Solve for x
x = 15,101,597,580,688,676/116,992,534.71 - Step 6: Final answer
x = 129,081,719.77
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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.