Finding the Fourth Proportional to 84,409,317.36, 126,633,876.12 and 67,202,567.28
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Solution
The fourth proportional to 84,409,317.36, 126,633,876.12 and 67,202,567.28 is: 100,819,694.39
Step by Step Solution
- Step 1: Write the proportion equation
84,409,317.36 : 126,633,876.12 = 67,202,567.28 : x - Step 2: Convert to fraction form
84,409,317.36/126,633,876.12 = 67,202,567.28/x - Step 3: Cross multiply
84,409,317.36x = 126,633,876.12 × 67,202,567.28 - Step 4: Simplify right side
84,409,317.36x = 8,510,121,579,881,486 - Step 5: Solve for x
x = 8,510,121,579,881,486/84,409,317.36 - Step 6: Final answer
x = 100,819,694.39
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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.