Finding the Fourth Proportional to 71,742,530, 107,593,869.24 and 19,915,217.36
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Solution
The fourth proportional to 71,742,530, 107,593,869.24 and 19,915,217.36 is: 29,867,294.79
Step by Step Solution
- Step 1: Write the proportion equation
71,742,530 : 107,593,869.24 = 19,915,217.36 : x - Step 2: Convert to fraction form
71,742,530/107,593,869.24 = 19,915,217.36/x - Step 3: Cross multiply
71,742,530x = 107,593,869.24 × 19,915,217.36 - Step 4: Simplify right side
71,742,530x = 2,142,755,292,518,017.75 - Step 5: Solve for x
x = 2,142,755,292,518,017.75/71,742,530 - Step 6: Final answer
x = 29,867,294.79
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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.