Finding the Fourth Proportional to 123,183,134.84, 169,992,779.30 and 67,428,873.26
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Solution
The fourth proportional to 123,183,134.84, 169,992,779.30 and 67,428,873.26 is: 93,051,874.23
Step by Step Solution
- Step 1: Write the proportion equation
123,183,134.84 : 169,992,779.30 = 67,428,873.26 : x - Step 2: Convert to fraction form
123,183,134.84/169,992,779.30 = 67,428,873.26/x - Step 3: Cross multiply
123,183,134.84x = 169,992,779.30 × 67,428,873.26 - Step 4: Simplify right side
123,183,134.84x = 11,462,421,570,534,854 - Step 5: Solve for x
x = 11,462,421,570,534,854/123,183,134.84 - Step 6: Final answer
x = 93,051,874.23
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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.